diff --git a/addons/backpacks/functions/fnc_backpackOpened.sqf b/addons/backpacks/functions/fnc_backpackOpened.sqf
index 1e42e7de7c..9488bf6bd9 100644
--- a/addons/backpacks/functions/fnc_backpackOpened.sqf
+++ b/addons/backpacks/functions/fnc_backpackOpened.sqf
@@ -28,8 +28,8 @@ _sounds = [
     "a3\sounds_f\characters\ingame\AinvPpneMstpSlayWpstDnon_medic.wss",
     "a3\sounds_f\characters\ingame\AinvPpneMstpSlayWrflDnon_medic.wss"*/
 
-    QUOTE(PATHTOF(sounds\zip_in.wav)),
-    QUOTE(PATHTOF(sounds\zip_out.wav))
+    QUOTE(PATHTO_R(sounds\zip_in.wav)),
+    QUOTE(PATHTO_R(sounds\zip_out.wav))
 ];
 
 _position = _target modelToWorldVisual (_target selectionPosition "Spine3");