diff --git a/addons/medical/XEH_postInit.sqf b/addons/medical/XEH_postInit.sqf
index 921e4dff78..7c7142a609 100644
--- a/addons/medical/XEH_postInit.sqf
+++ b/addons/medical/XEH_postInit.sqf
@@ -10,6 +10,7 @@ GVAR(heartBeatSounds_Slow) = ["ACE_heartbeat_slow_1", "ACE_heartbeat_slow_2", "A
 GVAR(playingHeartBeatSound) = false;
 
 ["Medical_treatmentCompleted", FUNC(onTreatmentCompleted)] call ace_common_fnc_addEventHandler;
+["medical_propagateWound", FUNC(onPropagateWound)] call ace_common_fnc_addEventHandler;
 
 // Initialize all effects
 // @todo: make this a macro?
diff --git a/addons/medical/functions/fnc_onPropagateWound.sqf b/addons/medical/functions/fnc_onPropagateWound.sqf
index 95826e2844..b2f611314b 100644
--- a/addons/medical/functions/fnc_onPropagateWound.sqf
+++ b/addons/medical/functions/fnc_onPropagateWound.sqf
@@ -14,6 +14,7 @@
 
 #include "script_component.hpp"
 
+private ["_unit", "_injury", "_openWounds", "_injuryID", "_exists"];
 _unit = _this select 0;
 _injury = _this select 1;