diff --git a/addons/arsenal/functions/fnc_onSelChangedLeft.sqf b/addons/arsenal/functions/fnc_onSelChangedLeft.sqf
index e6edaf3579f..3659de2384e 100644
--- a/addons/arsenal/functions/fnc_onSelChangedLeft.sqf
+++ b/addons/arsenal/functions/fnc_onSelChangedLeft.sqf
@@ -395,7 +395,7 @@ switch (GVAR(currentLeftPanel)) do {
     };
     // Backpack
     case IDC_buttonBackpack: {
-        if (_item == "") then {
+        if (_item == "" || (!isClass (configFile >> "CfgVehicles" >> _item))) then {
             removeBackpack GVAR(center);
             GVAR(currentItems) set [IDX_CURR_BACKPACK_ITEMS, []];
             GVAR(currentItems) set [IDX_CURR_BACKPACK, ""];