diff --git a/backend/open_webui/utils/filter.py b/backend/open_webui/utils/filter.py
index d131b6ca89..c4d9754e39 100644
--- a/backend/open_webui/utils/filter.py
+++ b/backend/open_webui/utils/filter.py
@@ -178,7 +178,7 @@ async def process_filter_function(
         request, filter_id, load_from_db=(filter_type != 'stream'), function=function
     )
     handler = getattr(function_module, filter_type, None)
-    if not handler:
+    if not callable(handler):
         return form_data, valves_by_id, None
 
     skip_files = (
diff --git a/package-lock.json b/package-lock.json
index cd0cf349f4..3107b719b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "open-webui",
-	"version": "0.11.1",
+	"version": "0.11.2",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "open-webui",
-			"version": "0.11.1",
+			"version": "0.11.2",
 			"dependencies": {
 				"@azure/msal-browser": "^4.5.0",
 				"@codemirror/lang-javascript": "^6.2.2",
diff --git a/package.json b/package.json
index 85b7735b46..f0fd6a4e65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "open-webui",
-	"version": "0.11.1",
+	"version": "0.11.2",
 	"private": true,
 	"scripts": {
 		"dev": "npm run pyodide:fetch && vite dev --host",