diff --git a/addons/disposable/XEH_preInit.sqf b/addons/disposable/XEH_preInit.sqf
index 1bf757187..5d982efe8 100644
--- a/addons/disposable/XEH_preInit.sqf
+++ b/addons/disposable/XEH_preInit.sqf
@@ -27,6 +27,7 @@ GVAR(NormalLaunchers) = [] call CBA_fnc_createNamespace;
 GVAR(LoadedLaunchers) = [] call CBA_fnc_createNamespace;
 GVAR(UsedLaunchers) = [] call CBA_fnc_createNamespace;
 GVAR(magazines) = [];
+GVAR(BackpackLaunchers) = createHashMap;
 GVAR(MagazineLaunchers) = [] call CBA_fnc_createNamespace;
 
 private _cfgWeapons = configFile >> "CfgWeapons";
@@ -36,6 +37,7 @@ private _cfgMagazines = configFile >> "CfgMagazines";
     private _launcher = configName _x;
     private _magazine = configName (_cfgMagazines >> (getArray (_cfgWeapons >> _launcher >> "magazines") select 0));
     getArray _x params ["_loadedLauncher", "_usedLauncher"];
+    private _fitsInBackpacks = TYPE_BACKPACK in getArray (configFile >> "CfgWeapons" >> _loadedLauncher >> "WeaponSlotsInfo" >> "allowedSlots");
 
     GVAR(LoadedLaunchers) setVariable [_launcher, _loadedLauncher];
     GVAR(UsedLaunchers) setVariable [_launcher, _usedLauncher];
@@ -48,6 +50,10 @@ private _cfgMagazines = configFile >> "CfgMagazines";
         GVAR(MagazineLaunchers) setVariable [_magazine, _loadedLauncher];
     };
 
+    if (_fitsInBackpacks) then {
+        GVAR(BackpackLaunchers) set [_loadedLauncher, true];
+    };
+
     // check if mass entries add up
     private _massLauncher = getNumber (_cfgWeapons >> _launcher >> "WeaponSlotsInfo" >> "mass");
     private _massMagazine = getNumber (_cfgMagazines >> _magazine >> "mass");
diff --git a/addons/disposable/fnc_replaceMagazineCargo.sqf b/addons/disposable/fnc_replaceMagazineCargo.sqf
index a01682b11..89e3da9e6 100644
--- a/addons/disposable/fnc_replaceMagazineCargo.sqf
+++ b/addons/disposable/fnc_replaceMagazineCargo.sqf
@@ -56,8 +56,9 @@ private _isBackpack = getNumber (configOf _box >> "isBackpack") != -1;
     _x params ["_magazine", "_ammo"];
 
     if (_magazine in GVAR(magazines)) then {
-        if !(_isBackpack) then {
-            _box addWeaponCargoGlobal [GVAR(MagazineLaunchers) getVariable _magazine, 1];
+        private _loadedLauncher = GVAR(MagazineLaunchers) getVariable _magazine;
+        if (!_isBackpack || {_loadedLauncher in GVAR(BackpackLaunchers)}) then {
+            _box addWeaponCargoGlobal [_loadedLauncher, 1];
         };
     } else {
         _box addMagazineAmmoCargo [_magazine, 1, _ammo];
diff --git a/addons/disposable/script_component.hpp b/addons/disposable/script_component.hpp
index 1478b6a09..02a2f8fd1 100644
--- a/addons/disposable/script_component.hpp
+++ b/addons/disposable/script_component.hpp
@@ -19,3 +19,7 @@
 #include "\a3\ui_f\hpp\defineResincl.inc"
 
 #define WEAPON_MAGAZINES(unit,weapon) (weaponsItems (unit) select {_x select 0 == (weapon)} param [0, []] select {_x isEqualType []})
+
+#define TYPE_VEST 701
+#define TYPE_UNIFORM 801
+#define TYPE_BACKPACK 901