diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 0a29f48e89..5f6af94080 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -3904,6 +3904,7 @@ int DLevelScript::CheckActorProperty (int tid, int property, int value)
 		case APROP_MeleeRange:
 		case APROP_ViewHeight:
 		case APROP_AttackZOffset:
+		case APROP_StencilColor:
 			return (GetActorProperty(tid, property, NULL, 0) == value);
 
 		// Boolean values need to compare to a binary version of value