diff --git a/addons/zeus/functions/fnc_moduleLayTrench.sqf b/addons/zeus/functions/fnc_moduleLayTrench.sqf
index e92725138fe..fe4e29b62ce 100644
--- a/addons/zeus/functions/fnc_moduleLayTrench.sqf
+++ b/addons/zeus/functions/fnc_moduleLayTrench.sqf
@@ -27,6 +27,9 @@ if !(["ace_trenches"] call EFUNC(common,isModLoaded)) exitWith {
     [LSTRING(RequiresAddon)] call FUNC(showMessage);
 };
 
+if (_logic getVariable [QGVAR(ran), false]) exitWith {};
+_logic setVariable [QGVAR(ran), true];
+
 private _drawCode = {
     params ["_object", "_mousePos"];
     private _startPos = getPos _object;