diff --git a/addons/jr/fnc_compatibleItems.sqf b/addons/jr/fnc_compatibleItems.sqf
index afe9556b0..fb2db72d4 100644
--- a/addons/jr/fnc_compatibleItems.sqf
+++ b/addons/jr/fnc_compatibleItems.sqf
@@ -52,7 +52,7 @@ if (isNil QGVAR(namespace)) then {
 };
 
 // Get cached result, if it exists
-private _cachekey = format ["%1#%2", _weapon, ["all", _typefilter] select _typeFilterExists];
+private _cachekey = format ["%1#%2", _weapon, if (_typeFilterExists) then {_typefilter} else {"all"} ];
 private _compatibleItems = GVAR(namespace) get _cachekey;
 
 if (!isNil "_compatibleItems") exitWith {