diff --git a/addons/advanced_fatigue/functions/fnc_getMetabolicCosts.sqf b/addons/advanced_fatigue/functions/fnc_getMetabolicCosts.sqf
index 36048cee049..46d03962e97 100644
--- a/addons/advanced_fatigue/functions/fnc_getMetabolicCosts.sqf
+++ b/addons/advanced_fatigue/functions/fnc_getMetabolicCosts.sqf
@@ -5,22 +5,32 @@
  * Calculation is done according to the Pandolf/Wojtowicz formulas.
  *
  * Arguments:
- * 0: Duty of animation
- * 1: Mass of unit <NUMBER>
- * 2: Terrain gradient <NUMBER>
- * 3: Terrain factor <NUMBER>
- * 4: Speed <NUMBER>
+ * 0: Mass of unit <NUMBER>
+ * 1: Terrain gradient <NUMBER>
+ * 2: Terrain factor <NUMBER>
+ * 3: Speed <NUMBER>
  *
  * Return Value:
  * Metabolic cost <NUMBER>
  *
  * Example:
- * [1, 840, 20, 1, 4] call ace_advanced_fatigue_fnc_getMetabolicCosts
+ * [840, 20, 1, 4] call ace_advanced_fatigue_fnc_getMetabolicCosts
  *
  * Public: No
  */
 
-params ["_duty", "_gearMass", "_terrainGradient", "_terrainFactor", "_speed"];
+params ["_gearMass", "_terrainGradient", "_terrainFactor", "_speed"];
+
+// Get the current duty
+private _duty = GVAR(animDuty);
+
+{
+    _duty = if (_x isEqualType 0) then {
+        _duty * _x
+    } else {
+        _duty * (ACE_player call _x)
+    };
+} forEach (values GVAR(dutyList));
 
 // Metabolic cost for walking and running is different
 if (_speed > 2) then {
diff --git a/addons/advanced_fatigue/functions/fnc_mainLoop.sqf b/addons/advanced_fatigue/functions/fnc_mainLoop.sqf
index 2955e9d6ee0..1eac51ea04d 100644
--- a/addons/advanced_fatigue/functions/fnc_mainLoop.sqf
+++ b/addons/advanced_fatigue/functions/fnc_mainLoop.sqf
@@ -48,17 +48,6 @@ if (GVAR(isProne)) then {
     _currentSpeed = _currentSpeed min 1.5;
 };
 
-// Get the current duty
-private _duty = GVAR(animDuty);
-
-{
-    if (_x isEqualType 0) then {
-        _duty = _duty * _x;
-    } else {
-        _duty = _duty * (ACE_player call _x);
-    };
-} forEach (values GVAR(dutyList));
-
 private _terrainGradient = abs _fwdAngle;
 private _terrainFactor = 1;
 private _gearMass = 0 max (((ACE_player getVariable [QEGVAR(movement,totalLoad), loadAbs ACE_player]) / 22.046 - UNDERWEAR_WEIGHT) * GVAR(loadFactor));
@@ -79,7 +68,7 @@ if (isNull objectParent ACE_player && {_currentSpeed > 0.1} && {isTouchingGround
     };
 
     // Add a scaling factor of 0.1 to reduce excessive stamina consumption on default settings (see #10361)
-    _currentWork = [_duty, _gearMass, _terrainGradient * GVAR(terrainGradientFactor) * 0.1, _terrainFactor, _currentSpeed] call FUNC(getMetabolicCosts);
+    _currentWork = [_gearMass, _terrainGradient * GVAR(terrainGradientFactor) * 0.1, _terrainFactor, _currentSpeed] call FUNC(getMetabolicCosts);
     _currentWork = _currentWork max REE;
 };