diff --git a/litellm/proxy/pass_through_endpoints/pass_through_endpoints.py b/litellm/proxy/pass_through_endpoints/pass_through_endpoints.py
index a06a3aa3daf..1033ba7921a 100644
--- a/litellm/proxy/pass_through_endpoints/pass_through_endpoints.py
+++ b/litellm/proxy/pass_through_endpoints/pass_through_endpoints.py
@@ -2058,8 +2058,13 @@ class InitPassThroughEndpointHelpers:
             bool: True if route is a registered pass-through endpoint, False otherwise
         """
         ## CHECK IF MAPPED PASS THROUGH ENDPOINT
+        # Strip server root path prefix so mapped routes match when SERVER_ROOT_PATH is set
+        root_path = get_server_root_path()
+        normalized_route = route
+        if root_path and root_path != "/" and route.startswith(root_path):
+            normalized_route = route[len(root_path):]
         for mapped_route in LiteLLMRoutes.mapped_pass_through_routes.value:
-            if route.startswith(mapped_route):
+            if normalized_route.startswith(mapped_route):
                 return True
 
         # Fast path: check if any registered route key contains this path