diff --git a/addons/movement/functions/fnc_handleVirtualMass.sqf b/addons/movement/functions/fnc_handleVirtualMass.sqf
index 983795e0d3..8e33197089 100644
--- a/addons/movement/functions/fnc_handleVirtualMass.sqf
+++ b/addons/movement/functions/fnc_handleVirtualMass.sqf
@@ -14,6 +14,8 @@
 
 params ["_unit"];
 
+if (isNull _unit) exitWith {};
+
 // add sum of virtual loads
 private _virtualLoad = 0;