diff --git a/backend/open_webui/apps/images/main.py b/backend/open_webui/apps/images/main.py
index 768f13954..d3cbd4d91 100644
--- a/backend/open_webui/apps/images/main.py
+++ b/backend/open_webui/apps/images/main.py
@@ -147,17 +147,17 @@ async def update_config(form_data: ConfigForm, user=Depends(get_admin_user)):
 
     app.state.config.AUTOMATIC1111_CFG_SCALE = (
         float(form_data.automatic1111.AUTOMATIC1111_CFG_SCALE)
-        if form_data.automatic1111.AUTOMATIC1111_CFG_SCALE != ""
+        if form_data.automatic1111.AUTOMATIC1111_CFG_SCALE
         else None
     )
     app.state.config.AUTOMATIC1111_SAMPLER = (
         form_data.automatic1111.AUTOMATIC1111_SAMPLER
-        if form_data.automatic1111.AUTOMATIC1111_SAMPLER != ""
+        if form_data.automatic1111.AUTOMATIC1111_SAMPLER
         else None
     )
     app.state.config.AUTOMATIC1111_SCHEDULER = (
         form_data.automatic1111.AUTOMATIC1111_SCHEDULER
-        if form_data.automatic1111.AUTOMATIC1111_SCHEDULER != ""
+        if form_data.automatic1111.AUTOMATIC1111_SCHEDULER
         else None
     )