diff --git a/invokeai/frontend/web/src/features/parameters/components/Parameters/Core/ParamScheduler.tsx b/invokeai/frontend/web/src/features/parameters/components/Parameters/Core/ParamScheduler.tsx
index 0a343d0742..1fed60fa74 100644
--- a/invokeai/frontend/web/src/features/parameters/components/Parameters/Core/ParamScheduler.tsx
+++ b/invokeai/frontend/web/src/features/parameters/components/Parameters/Core/ParamScheduler.tsx
@@ -24,14 +24,17 @@ const ParamScheduler = () => {
   const { t } = useTranslation();
 
   useEffect(() => {
-    if (selectedSchedulers.length === 0)
+    if (selectedSchedulers.length === 0) {
       dispatch(setSelectedSchedulers([...SCHEDULER_ITEMS]));
+    }
 
     const schedulerFound = activeSchedulers.find(
       (activeSchedulers) => activeSchedulers.value === scheduler
     );
-    if (!schedulerFound)
+
+    if (!schedulerFound) {
       dispatch(setScheduler(activeSchedulers[0].value as Scheduler));
+    }
   }, [dispatch, selectedSchedulers, scheduler, activeSchedulers]);
 
   const handleChange = useCallback(
diff --git a/invokeai/frontend/web/src/features/ui/store/uiSlice.ts b/invokeai/frontend/web/src/features/ui/store/uiSlice.ts
index 907d5a5295..4de6109b20 100644
--- a/invokeai/frontend/web/src/features/ui/store/uiSlice.ts
+++ b/invokeai/frontend/web/src/features/ui/store/uiSlice.ts
@@ -99,13 +99,20 @@ export const uiSlice = createSlice({
     setSelectedSchedulers: (state, action: PayloadAction<string[]>) => {
       const selectedSchedulerData: SelectItem[] = [];
 
-      if (action.payload.length === 0) action.payload = [SCHEDULERS[0].value];
+      let selectedSchedulers = [...action.payload];
 
-      action.payload.forEach((item) => {
+      if (selectedSchedulers.length === 0) {
+        selectedSchedulers = [SCHEDULERS[0].value];
+      }
+
+      selectedSchedulers.forEach((item) => {
         const schedulerData = SCHEDULERS.find(
           (scheduler) => scheduler.value === item
         );
-        if (schedulerData) selectedSchedulerData.push(schedulerData);
+
+        if (schedulerData) {
+          selectedSchedulerData.push(schedulerData);
+        }
       });
 
       state.activeSchedulers = selectedSchedulerData;