diff --git a/lib/icinga/checkable.cpp b/lib/icinga/checkable.cpp
index b212389b3..b350b4d6c 100644
--- a/lib/icinga/checkable.cpp
+++ b/lib/icinga/checkable.cpp
@@ -320,3 +320,13 @@ void Checkable::CleanDeadlinedExecutions(const Timer * const&)
 		}
 	}
 }
+
+Dictionary::Ptr Checkable::GetFrozenLocalsForApply()
+{
+	if (!m_FrozenLocalsForApply) {
+		m_FrozenLocalsForApply = MakeLocalsForApply();
+		m_FrozenLocalsForApply->Freeze();
+	}
+
+	return m_FrozenLocalsForApply;
+}
diff --git a/lib/icinga/checkable.hpp b/lib/icinga/checkable.hpp
index 6a46425a9..913c3579b 100644
--- a/lib/icinga/checkable.hpp
+++ b/lib/icinga/checkable.hpp
@@ -207,12 +207,18 @@ public:
 
 	static Object::Ptr GetPrototype();
 
+	Dictionary::Ptr GetFrozenLocalsForApply();
+
 protected:
 	void Start(bool runtimeCreated) override;
 	void OnConfigLoaded() override;
 	void OnAllConfigLoaded() override;
 
+	virtual Dictionary::Ptr MakeLocalsForApply() = 0;
+
 private:
+	Dictionary::Ptr m_FrozenLocalsForApply;
+
 	mutable std::mutex m_CheckableMutex;
 	bool m_CheckRunning{false};
 	long m_SchedulingOffset;
diff --git a/lib/icinga/dependency-apply.cpp b/lib/icinga/dependency-apply.cpp
index c37746abe..7e39c0ccc 100644
--- a/lib/icinga/dependency-apply.cpp
+++ b/lib/icinga/dependency-apply.cpp
@@ -70,16 +70,20 @@ bool Dependency::EvaluateApplyRule(const Checkable::Ptr& checkable, const ApplyR
 	msgbuf << "Evaluating 'apply' rule (" << di << ")";
 	CONTEXT(msgbuf.str());
 
-	Host::Ptr host;
-	Service::Ptr service;
-	tie(host, service) = GetHostService(checkable);
+	ScriptFrame frame (false);
 
-	ScriptFrame frame(true);
-	if (rule.GetScope())
-		rule.GetScope()->CopyTo(frame.Locals);
-	frame.Locals->Set("host", host);
-	if (service)
-		frame.Locals->Set("service", service);
+	if (rule.GetScope() || rule.GetFTerm()) {
+		frame.Locals = new Dictionary();
+
+		if (rule.GetScope()) {
+			rule.GetScope()->CopyTo(frame.Locals);
+		}
+
+		checkable->GetFrozenLocalsForApply()->CopyTo(frame.Locals);
+		frame.Locals->Freeze();
+	} else {
+		frame.Locals = checkable->GetFrozenLocalsForApply();
+	}
 
 	bool match = false;
 
@@ -103,7 +107,7 @@ bool Dependency::EvaluateApplyRule(const Checkable::Ptr& checkable, const ApplyR
 			for (const Value& instance : arr) {
 				String name = rule.GetName();
 
-				frame.Locals->Set(rule.GetFKVar(), instance);
+				frame.Locals->Set(rule.GetFKVar(), instance, true);
 				name += instance;
 
 				if (EvaluateApplyRuleInstance(checkable, name, frame, rule, skipFilter))
@@ -117,8 +121,8 @@ bool Dependency::EvaluateApplyRule(const Checkable::Ptr& checkable, const ApplyR
 			ObjectLock olock (dict);
 
 			for (auto& kv : dict) {
-				frame.Locals->Set(rule.GetFKVar(), kv.first);
-				frame.Locals->Set(rule.GetFVVar(), kv.second);
+				frame.Locals->Set(rule.GetFKVar(), kv.first, true);
+				frame.Locals->Set(rule.GetFVVar(), kv.second, true);
 
 				if (EvaluateApplyRuleInstance(checkable, rule.GetName() + kv.first, frame, rule, skipFilter))
 					match = true;
diff --git a/lib/icinga/host.cpp b/lib/icinga/host.cpp
index 36149d3dc..bc4ee4402 100644
--- a/lib/icinga/host.cpp
+++ b/lib/icinga/host.cpp
@@ -328,3 +328,8 @@ bool Host::ResolveMacro(const String& macro, const CheckResult::Ptr&, Value *res
 
 	return false;
 }
+
+Dictionary::Ptr Host::MakeLocalsForApply()
+{
+	return new Dictionary({{ "host", this }});
+}
diff --git a/lib/icinga/host.hpp b/lib/icinga/host.hpp
index d0d6c1aa4..16eed5470 100644
--- a/lib/icinga/host.hpp
+++ b/lib/icinga/host.hpp
@@ -57,6 +57,8 @@ protected:
 
 	void CreateChildObjects(const Type::Ptr& childType) override;
 
+	Dictionary::Ptr MakeLocalsForApply() override;
+
 private:
 	mutable std::mutex m_ServicesMutex;
 	std::map<String, intrusive_ptr<Service> > m_Services;
diff --git a/lib/icinga/notification-apply.cpp b/lib/icinga/notification-apply.cpp
index 1aee13961..de986a2cd 100644
--- a/lib/icinga/notification-apply.cpp
+++ b/lib/icinga/notification-apply.cpp
@@ -69,16 +69,20 @@ bool Notification::EvaluateApplyRule(const Checkable::Ptr& checkable, const Appl
 	msgbuf << "Evaluating 'apply' rule (" << di << ")";
 	CONTEXT(msgbuf.str());
 
-	Host::Ptr host;
-	Service::Ptr service;
-	tie(host, service) = GetHostService(checkable);
+	ScriptFrame frame (false);
 
-	ScriptFrame frame(true);
-	if (rule.GetScope())
-		rule.GetScope()->CopyTo(frame.Locals);
-	frame.Locals->Set("host", host);
-	if (service)
-		frame.Locals->Set("service", service);
+	if (rule.GetScope() || rule.GetFTerm()) {
+		frame.Locals = new Dictionary();
+
+		if (rule.GetScope()) {
+			rule.GetScope()->CopyTo(frame.Locals);
+		}
+
+		checkable->GetFrozenLocalsForApply()->CopyTo(frame.Locals);
+		frame.Locals->Freeze();
+	} else {
+		frame.Locals = checkable->GetFrozenLocalsForApply();
+	}
 
 	bool match = false;
 
@@ -102,7 +106,7 @@ bool Notification::EvaluateApplyRule(const Checkable::Ptr& checkable, const Appl
 			for (const Value& instance : arr) {
 				String name = rule.GetName();
 
-				frame.Locals->Set(rule.GetFKVar(), instance);
+				frame.Locals->Set(rule.GetFKVar(), instance, true);
 				name += instance;
 
 				if (EvaluateApplyRuleInstance(checkable, name, frame, rule, skipFilter))
@@ -116,8 +120,8 @@ bool Notification::EvaluateApplyRule(const Checkable::Ptr& checkable, const Appl
 			ObjectLock olock (dict);
 
 			for (auto& kv : dict) {
-				frame.Locals->Set(rule.GetFKVar(), kv.first);
-				frame.Locals->Set(rule.GetFVVar(), kv.second);
+				frame.Locals->Set(rule.GetFKVar(), kv.first, true);
+				frame.Locals->Set(rule.GetFVVar(), kv.second, true);
 
 				if (EvaluateApplyRuleInstance(checkable, rule.GetName() + kv.first, frame, rule, skipFilter))
 					match = true;
diff --git a/lib/icinga/scheduleddowntime-apply.cpp b/lib/icinga/scheduleddowntime-apply.cpp
index 601b301e5..be1b25cba 100644
--- a/lib/icinga/scheduleddowntime-apply.cpp
+++ b/lib/icinga/scheduleddowntime-apply.cpp
@@ -68,16 +68,20 @@ bool ScheduledDowntime::EvaluateApplyRule(const Checkable::Ptr& checkable, const
 	msgbuf << "Evaluating 'apply' rule (" << di << ")";
 	CONTEXT(msgbuf.str());
 
-	Host::Ptr host;
-	Service::Ptr service;
-	tie(host, service) = GetHostService(checkable);
+	ScriptFrame frame (false);
 
-	ScriptFrame frame(true);
-	if (rule.GetScope())
-		rule.GetScope()->CopyTo(frame.Locals);
-	frame.Locals->Set("host", host);
-	if (service)
-		frame.Locals->Set("service", service);
+	if (rule.GetScope() || rule.GetFTerm()) {
+		frame.Locals = new Dictionary();
+
+		if (rule.GetScope()) {
+			rule.GetScope()->CopyTo(frame.Locals);
+		}
+
+		checkable->GetFrozenLocalsForApply()->CopyTo(frame.Locals);
+		frame.Locals->Freeze();
+	} else {
+		frame.Locals = checkable->GetFrozenLocalsForApply();
+	}
 
 	bool match = false;
 
@@ -101,7 +105,7 @@ bool ScheduledDowntime::EvaluateApplyRule(const Checkable::Ptr& checkable, const
 			for (const Value& instance : arr) {
 				String name = rule.GetName();
 
-				frame.Locals->Set(rule.GetFKVar(), instance);
+				frame.Locals->Set(rule.GetFKVar(), instance, true);
 				name += instance;
 
 				if (EvaluateApplyRuleInstance(checkable, name, frame, rule, skipFilter))
@@ -115,8 +119,8 @@ bool ScheduledDowntime::EvaluateApplyRule(const Checkable::Ptr& checkable, const
 			ObjectLock olock (dict);
 
 			for (auto& kv : dict) {
-				frame.Locals->Set(rule.GetFKVar(), kv.first);
-				frame.Locals->Set(rule.GetFVVar(), kv.second);
+				frame.Locals->Set(rule.GetFKVar(), kv.first, true);
+				frame.Locals->Set(rule.GetFVVar(), kv.second, true);
 
 				if (EvaluateApplyRuleInstance(checkable, rule.GetName() + kv.first, frame, rule, skipFilter))
 					match = true;
diff --git a/lib/icinga/service-apply.cpp b/lib/icinga/service-apply.cpp
index d7f367271..648d6d04f 100644
--- a/lib/icinga/service-apply.cpp
+++ b/lib/icinga/service-apply.cpp
@@ -63,10 +63,20 @@ bool Service::EvaluateApplyRule(const Host::Ptr& host, const ApplyRule& rule, bo
 	msgbuf << "Evaluating 'apply' rule (" << di << ")";
 	CONTEXT(msgbuf.str());
 
-	ScriptFrame frame(true);
-	if (rule.GetScope())
-		rule.GetScope()->CopyTo(frame.Locals);
-	frame.Locals->Set("host", host);
+	ScriptFrame frame (false);
+
+	if (rule.GetScope() || rule.GetFTerm()) {
+		frame.Locals = new Dictionary();
+
+		if (rule.GetScope()) {
+			rule.GetScope()->CopyTo(frame.Locals);
+		}
+
+		host->GetFrozenLocalsForApply()->CopyTo(frame.Locals);
+		frame.Locals->Freeze();
+	} else {
+		frame.Locals = host->GetFrozenLocalsForApply();
+	}
 
 	bool match = false;
 
@@ -91,7 +101,7 @@ bool Service::EvaluateApplyRule(const Host::Ptr& host, const ApplyRule& rule, bo
 				String name = rule.GetName();
 
 				if (!rule.GetFKVar().IsEmpty()) {
-					frame.Locals->Set(rule.GetFKVar(), instance);
+					frame.Locals->Set(rule.GetFKVar(), instance, true);
 					name += instance;
 				}
 
@@ -106,8 +116,8 @@ bool Service::EvaluateApplyRule(const Host::Ptr& host, const ApplyRule& rule, bo
 			ObjectLock olock (dict);
 
 			for (auto& kv : dict) {
-				frame.Locals->Set(rule.GetFKVar(), kv.first);
-				frame.Locals->Set(rule.GetFVVar(), kv.second);
+				frame.Locals->Set(rule.GetFKVar(), kv.first, true);
+				frame.Locals->Set(rule.GetFVVar(), kv.second, true);
 
 				if (EvaluateApplyRuleInstance(host, rule.GetName() + kv.first, frame, rule, skipFilter))
 					match = true;
diff --git a/lib/icinga/service.cpp b/lib/icinga/service.cpp
index d831136bb..1e105fab9 100644
--- a/lib/icinga/service.cpp
+++ b/lib/icinga/service.cpp
@@ -285,3 +285,11 @@ std::pair<Host::Ptr, Service::Ptr> icinga::GetHostService(const Checkable::Ptr&
 	else
 		return std::make_pair(static_pointer_cast<Host>(checkable), nullptr);
 }
+
+Dictionary::Ptr Service::MakeLocalsForApply()
+{
+	return new Dictionary({
+		{ "host", m_Host },
+		{ "service", this }
+	});
+}
diff --git a/lib/icinga/service.hpp b/lib/icinga/service.hpp
index ac27c3d93..9e430985f 100644
--- a/lib/icinga/service.hpp
+++ b/lib/icinga/service.hpp
@@ -51,6 +51,8 @@ public:
 protected:
 	void CreateChildObjects(const Type::Ptr& childType) override;
 
+	Dictionary::Ptr MakeLocalsForApply() override;
+
 private:
 	Host::Ptr m_Host;