diff --git a/lib/icinga/externalcommandprocessor.cpp b/lib/icinga/externalcommandprocessor.cpp
index 99de51bdc..876cb2aaf 100644
--- a/lib/icinga/externalcommandprocessor.cpp
+++ b/lib/icinga/externalcommandprocessor.cpp
@@ -508,6 +508,7 @@ void ExternalCommandProcessor::AcknowledgeSvcProblem(double, const std::vector<S
 
 	Log(LogInformation, "icinga", "Setting acknowledgement for service '" + service->GetName() + "'");
 
+	service->AddComment(CommentAcknowledgement, arguments[5], arguments[6], 0);
 	service->AcknowledgeProblem(arguments[5], arguments[6], sticky ? AcknowledgementSticky : AcknowledgementNormal);
 }
 
@@ -526,6 +527,7 @@ void ExternalCommandProcessor::AcknowledgeSvcProblemExpire(double, const std::ve
 
 	Log(LogInformation, "icinga", "Setting timed acknowledgement for service '" + service->GetName() + "'");
 
+	service->AddComment(CommentAcknowledgement, arguments[6], arguments[7], 0);
 	service->AcknowledgeProblem(arguments[6], arguments[7], sticky ? AcknowledgementSticky : AcknowledgementNormal, timestamp);
 }
 
@@ -556,6 +558,7 @@ void ExternalCommandProcessor::AcknowledgeHostProblem(double, const std::vector<
 		if (service->GetState() == StateOK)
 			BOOST_THROW_EXCEPTION(std::invalid_argument("The host '" + arguments[0] + "' is OK."));
 
+		service->AddComment(CommentAcknowledgement, arguments[4], arguments[5], 0);
 		service->AcknowledgeProblem(arguments[4], arguments[5], sticky ? AcknowledgementSticky : AcknowledgementNormal);
 	}
 }
@@ -576,6 +579,7 @@ void ExternalCommandProcessor::AcknowledgeHostProblemExpire(double, const std::v
 		if (service->GetState() == StateOK)
 			BOOST_THROW_EXCEPTION(std::invalid_argument("The host '" + arguments[0] + "' is OK."));
 
+		service->AddComment(CommentAcknowledgement, arguments[5], arguments[6], 0);
 		service->AcknowledgeProblem(arguments[5], arguments[6], sticky ? AcknowledgementSticky : AcknowledgementNormal, timestamp);
 	}
 }
diff --git a/lib/icinga/service.cpp b/lib/icinga/service.cpp
index ff874b0c2..75c195bf5 100644
--- a/lib/icinga/service.cpp
+++ b/lib/icinga/service.cpp
@@ -242,8 +242,6 @@ void Service::AcknowledgeProblem(const String& author, const String& comment, Ac
 		m_AcknowledgementExpiry = expiry;
 	}
 
-	(void) AddComment(CommentAcknowledgement, author, comment, 0);
-
 	OnNotificationsRequested(GetSelf(), NotificationAcknowledgement, GetLastCheckResult(), author, comment);
 
 	Utility::QueueAsyncCallback(bind(boost::ref(OnAcknowledgementSet), GetSelf(), author, comment, type, expiry, authority));