diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 57a4c51c0c..905fa574fc 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -5238,7 +5238,7 @@ doplaysound:			if (funcIndex == ACSF_PlayActorSound)
 			const char *type = FBehavior::StaticLookupString(args[1]);
 			int amount = argCount >= 3? args[2] : -1;
 			int chance = argCount >= 4? args[3] : 256;
-			const PClass *cls = PClass::FindClass(type);
+			PClassActor *cls = PClass::FindActor(type);
 			int cnt = 0;
 			if (cls != NULL)
 			{