diff --git a/extensions-builtin/sdnext-modernui b/extensions-builtin/sdnext-modernui
index ae66ed9a4..ad2d6466d 160000
--- a/extensions-builtin/sdnext-modernui
+++ b/extensions-builtin/sdnext-modernui
@@ -1 +1 @@
-Subproject commit ae66ed9a4f160628a86b3e8a95e560fef7149e13
+Subproject commit ad2d6466d1a1fe7cbed0a80318b3957b02c77986
diff --git a/modules/sd_detect.py b/modules/sd_detect.py
index a6169e5c3..0ceee93da 100644
--- a/modules/sd_detect.py
+++ b/modules/sd_detect.py
@@ -113,9 +113,13 @@ def guess_by_name(fn, current_guess):
 
 
 def guess_by_diffusers(fn, current_guess):
+    exclude_by_name = ['ostris/Flex.2-preview'] # pipeline may be misleading
     index = os.path.join(fn, 'model_index.json')
     if os.path.exists(index) and os.path.isfile(index):
         index = shared.readfile(index, silent=True)
+        name = index.get('_name_or_path', None)
+        if name is not None and name in exclude_by_name:
+            return current_guess, None
         cls = index.get('_class_name', None)
         if cls is not None:
             pipeline = getattr(diffusers, cls, None)