diff --git a/src/g_level.cpp b/src/g_level.cpp
index d46be2d6b..a738710fd 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -701,7 +701,7 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 
 DEFINE_ACTION_FUNCTION_NATIVE(FLevelLocals, ChangeLevel, G_ChangeLevel)
 {
-	PARAM_SELF_STRUCT_PROLOGUE(FLevelLocals);
+	PARAM_PROLOGUE;
 	PARAM_STRING(levelname);
 	PARAM_INT(position);
 	PARAM_INT(inflags);