diff --git a/src/p_mobj.c b/src/p_mobj.c
index d06e57d66..4494c72b7 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -7937,7 +7937,7 @@ static boolean P_MobjPushableThink(mobj_t *mobj)
 	P_PushableThinker(mobj);
 
 	// Extinguish fire objects in water. (Yes, it's extraordinarily rare to have a pushable flame object, but Brak uses such a case.)
-	if (mobj->flags & MF_FIRE && mobj->eflags ! MFE_TOUCHLAVA
+	if ((mobj->flags & MF_FIRE) && !(mobj->eflags & MFE_TOUCHLAVA)
 		&& (mobj->eflags & (MFE_UNDERWATER | MFE_TOUCHWATER)))
 	{
 		P_KillMobj(mobj, NULL, NULL, 0);
@@ -9705,7 +9705,7 @@ static boolean P_MobjRegularThink(mobj_t *mobj)
 		P_MobjCheckWater(mobj);
 
 		// Extinguish fire objects in water
-		if (mobj->flags & MF_FIRE && mobj->eflags ! MFE_TOUCHLAVA
+		if ((mobj->flags & MF_FIRE) && !(mobj->eflags & MFE_TOUCHLAVA)
 			&& (mobj->eflags & (MFE_UNDERWATER|MFE_TOUCHWATER)))
 		{
 			P_KillMobj(mobj, NULL, NULL, 0);