diff --git a/doc/17-language-reference.md b/doc/17-language-reference.md
index 4c0f76085..7d732427e 100644
--- a/doc/17-language-reference.md
+++ b/doc/17-language-reference.md
@@ -504,7 +504,7 @@ Environment         |**Read-write.** The name of the Icinga environment. Include
 RunAsUser           |**Read-write.** Defines the user the Icinga 2 daemon is running as. Set in the Icinga 2 sysconfig.
 RunAsGroup          |**Read-write.** Defines the group the Icinga 2 daemon is running as. Set in the Icinga 2 sysconfig.
 MaxConcurrentChecks |**Read-write.** The number of max checks run simultaneously. Defaults to `512`.
-ApiBindHost         |**Read-write.** Overrides the default value for the ApiListener `bind_host` attribute. Not set by default.
+ApiBindHost         |**Read-write.** Overrides the default value for the ApiListener `bind_host` attribute. Defaults to `::`.
 ApiBindPort         |**Read-write.** Overrides the default value for the ApiListener `bind_port` attribute. Not set by default.
 
 #### Application Runtime Constants <a id="icinga-constants-application-runtime"></a>
diff --git a/lib/base/configuration.cpp b/lib/base/configuration.cpp
index d163937e2..51486e41c 100644
--- a/lib/base/configuration.cpp
+++ b/lib/base/configuration.cpp
@@ -8,7 +8,7 @@ using namespace icinga;
 
 REGISTER_TYPE(Configuration);
 
-String Configuration::ApiBindHost;
+String Configuration::ApiBindHost{"::"};
 String Configuration::ApiBindPort{"5665"};
 bool Configuration::AttachDebugger{false};
 String Configuration::CacheDir;