diff --git a/addons/medical_ui/functions/fnc_effectHeartBeat.sqf b/addons/medical_ui/functions/fnc_effectHeartBeat.sqf
index b77b61f42f..a44f1740b3 100644
--- a/addons/medical_ui/functions/fnc_effectHeartBeat.sqf
+++ b/addons/medical_ui/functions/fnc_effectHeartBeat.sqf
@@ -11,9 +11,8 @@
 #include "script_component.hpp"
 
 private _heartRate = ACE_player getVariable [QEGVAR(medical,heartRate), DEFAULT_HEART_RATE];
-private _waitTime  = 60 / _heartRate;
-
 if (_heartRate == 0) exitWith {};
+private _waitTime  = 60 / _heartRate;
 
 if (CBA_missionTime - GVAR(lastHeartBeatSound) > _waitTime) then {
     GVAR(lastHeartBeatSound) = CBA_missionTime;