diff --git a/addons/artillerytables/functions/fnc_interactMenuOpened.sqf b/addons/artillerytables/functions/fnc_interactMenuOpened.sqf
index 96ee254981..80e1d025a8 100644
--- a/addons/artillerytables/functions/fnc_interactMenuOpened.sqf
+++ b/addons/artillerytables/functions/fnc_interactMenuOpened.sqf
@@ -65,7 +65,7 @@ TRACE_2("searching for new vehicles",_vehicleAdded,_rangeTablesShown);
         // Some turrets (MK6) have a neutralX rotation that we need to add to min/max config elevation to get actual limits
         private _weaponDir = _vehicle weaponDirection _weapon;
         private _turretRot = [vectorDir _vehicle, vectorUp _vehicle, deg _currentTraverseRad] call FUNC(rotateVector3d);
-        private _neutralX = (acos (_turretRot vectorCos _weaponDir)) - (deg _currentElevRad);
+        private _neutralX = (acos ((_turretRot vectorCos _weaponDir) min 1)) - (deg _currentElevRad); // vectorCos can return values outside of -1..1
         _neutralX = (round (_neutralX * 10)) / 10; // minimize floating point errors
         private _minElev = _neutralX + getNumber (_turretCfg >> "minElev");
         private _maxElev = _neutralX + getNumber (_turretCfg >> "maxElev");
diff --git a/addons/artillerytables/functions/fnc_turretPFEH.sqf b/addons/artillerytables/functions/fnc_turretPFEH.sqf
index 67f49d5deb..5ebabc85f5 100644
--- a/addons/artillerytables/functions/fnc_turretPFEH.sqf
+++ b/addons/artillerytables/functions/fnc_turretPFEH.sqf
@@ -70,7 +70,7 @@ if (_useRealWeaponDir) then {
         if (isNil "_currentTraverseRad") then { _currentTraverseRad = _vehicle animationPhase _turretAnimBody; };
         // Get turret roatation around it's z axis, then calc weapon elev in it's projection
         private _turretRot = [vectorDir _vehicle, vectorUp _vehicle, deg _currentTraverseRad] call FUNC(rotateVector3d);
-        _realElevation = acos (_turretRot vectorDotProduct _weaponDir) + ((_turretRot call CBA_fnc_vect2polar) select 2);
+        _realElevation = (acos ((_turretRot vectorCos _weaponDir) min 1)) + ((_turretRot call CBA_fnc_vect2polar) select 2);
         if (_realElevation > 90) then { _realElevation = 180 - _realElevation; }; // does not flip azimuth!
     };
 };