diff --git a/src/p_actionfunctions.cpp b/src/p_actionfunctions.cpp
index 51c37f23d..a62ce0210 100644
--- a/src/p_actionfunctions.cpp
+++ b/src/p_actionfunctions.cpp
@@ -5904,9 +5904,9 @@ static void DoKill(AActor *killtarget, AActor *inflictor, AActor *source, FName
 	{
 		int dmgFlags = DMG_NO_ARMOR | DMG_NO_FACTOR;
 
-		if (KILS_FOILINVUL)
+		if (flags & KILS_FOILINVUL)
 			dmgFlags |= DMG_FOILINVUL;
-		if (KILS_FOILBUDDHA)
+		if (flags & KILS_FOILBUDDHA)
 			dmgFlags |= DMG_FOILBUDDHA;
 	
 		if ((killtarget->flags & MF_MISSILE) && (flags & KILS_KILLMISSILES))