diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 2de959be6..7c031d243 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -3968,6 +3968,7 @@ void DLevelScript::DoSetActorProperty (AActor *actor, int property, int value)
 
 	case APROP_Friction:
 		actor->Friction = ACSToDouble(value);
+		break;
 
 	case APROP_MaxStepHeight:
 		actor->MaxStepHeight = ACSToDouble(value);