diff --git a/shared/src/store/reducers/user-configuration.ts b/shared/src/store/reducers/user-configuration.ts
index ce8de5c8..28ce6d18 100644
--- a/shared/src/store/reducers/user-configuration.ts
+++ b/shared/src/store/reducers/user-configuration.ts
@@ -87,7 +87,9 @@ export default function (state = initialState, action: Action): UserConfiguratio
 
             // If deleted one is default set default keymap to the first on the list of keymaps
             if (isDefault && filtered.length > 0) {
-                filtered[0].isDefault = true;
+                filtered[0] = Object.assign(new Keymap(), filtered[0], {
+                    isDefault: true
+                });
             }
 
             // Check for the deleted keymap in other keymaps