diff --git a/src/g_shared/a_morph.cpp b/src/g_shared/a_morph.cpp
index c8220af5a..0c95c77b8 100644
--- a/src/g_shared/a_morph.cpp
+++ b/src/g_shared/a_morph.cpp
@@ -443,7 +443,7 @@ bool P_MorphMonster (AActor *actor, PClassActor *spawntype, int duration, int st
 DEFINE_ACTION_FUNCTION(AActor, MorphMonster)
 {
 	PARAM_SELF_PROLOGUE(AActor);
-	PARAM_CLASS(spawntype, APlayerPawn);
+	PARAM_CLASS(spawntype, AActor);
 	PARAM_INT(duration);
 	PARAM_INT(style);
 	PARAM_CLASS_DEF(enter_flash, AActor);