diff --git a/core/method_ptrcall.h b/core/method_ptrcall.h
index bcbf2e4531b..c6dbfc2a7ac 100644
--- a/core/method_ptrcall.h
+++ b/core/method_ptrcall.h
@@ -115,7 +115,6 @@ MAKE_PTRARG(PoolVector2Array);
 MAKE_PTRARG(PoolVector3Array);
 MAKE_PTRARG(PoolColorArray);
 MAKE_PTRARG(Variant);
-MAKE_PTRARG(PowerState);
 
 //this is for Object
 
diff --git a/core/os/os.h b/core/os/os.h
index 037ce436c1a..11fe8b44e36 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -413,4 +413,6 @@ public:
 	virtual ~OS();
 };
 
+VARIANT_ENUM_CAST(PowerState);
+
 #endif