diff --git a/src/js/game/hud/parts/mass_selector.js b/src/js/game/hud/parts/mass_selector.js
index e3428262..6ba864e6 100644
--- a/src/js/game/hud/parts/mass_selector.js
+++ b/src/js/game/hud/parts/mass_selector.js
@@ -204,8 +204,8 @@ export class HUDMassSelector extends BaseHUDPart {
      * @param {enumMouseButton} mouseButton
      */
     onMouseDown(pos, mouseButton) {
-        if (!(this.root.keyMapper.getBinding(KEYMAPPINGS.massSelect.massSelectStart).pressed) 
-        	|| mouseButton !== enumMouseButton.left) {
+        if (!this.root.keyMapper.getBinding(KEYMAPPINGS.massSelect.massSelectStart.pressed) 
+        || mouseButton !== enumMouseButton.left) {
             return;
         }