diff --git a/addons/medical_feedback/XEH_postInit.sqf b/addons/medical_feedback/XEH_postInit.sqf
index 2f18bc1583..66080c984c 100644
--- a/addons/medical_feedback/XEH_postInit.sqf
+++ b/addons/medical_feedback/XEH_postInit.sqf
@@ -117,7 +117,7 @@ GVAR(bloodTickCounter) = 0;
 #ifdef DISABLE_VANILLA_DAMAGE_EFFECTS
 TRACE_1("disabling vanilla bleeding feedback effects",_this);
 [{
-    {isNil _x} count [
+    {isNil "_x"} count [
         "BIS_fnc_feedback_damageCC",
         "BIS_fnc_feedback_damageRadialBlur",
         "BIS_fnc_feedback_damageBlur"