diff --git a/core/global_constants.cpp b/core/global_constants.cpp
index 1bdd1a2ba..87a8be1a8 100644
--- a/core/global_constants.cpp
+++ b/core/global_constants.cpp
@@ -634,6 +634,7 @@ void register_global_constants() {
 	BIND_GLOBAL_ENUM_CONSTANT(METHOD_FLAG_REVERSE);
 	BIND_GLOBAL_ENUM_CONSTANT(METHOD_FLAG_VIRTUAL);
 	BIND_GLOBAL_ENUM_CONSTANT(METHOD_FLAG_FROM_SCRIPT);
+	BIND_GLOBAL_ENUM_CONSTANT(METHOD_FLAG_VARARG);
 	BIND_GLOBAL_ENUM_CONSTANT(METHOD_FLAGS_DEFAULT);
 
 	BIND_GLOBAL_ENUM_CONSTANT_CUSTOM("TYPE_NIL", Variant::NIL);
diff --git a/doc/classes/@GlobalScope.xml b/doc/classes/@GlobalScope.xml
index 3003cb4c5..b188bdd65 100644
--- a/doc/classes/@GlobalScope.xml
+++ b/doc/classes/@GlobalScope.xml
@@ -1552,6 +1552,8 @@
 		<constant name="METHOD_FLAG_FROM_SCRIPT" value="64" enum="MethodFlags">
 			Deprecated method flag, unused.
 		</constant>
+		<constant name="METHOD_FLAG_VARARG" value="128" enum="MethodFlags">
+		</constant>
 		<constant name="METHOD_FLAGS_DEFAULT" value="1" enum="MethodFlags">
 			Default method flags.
 		</constant>