diff --git a/python/src/server/services/credential_service.py b/python/src/server/services/credential_service.py
index a8aee849..f4fb275b 100644
--- a/python/src/server/services/credential_service.py
+++ b/python/src/server/services/credential_service.py
@@ -443,7 +443,7 @@ class CredentialService:
                 explicit_embedding_provider = rag_settings.get("EMBEDDING_PROVIDER")
 
                 # Validate that embedding provider actually supports embeddings
-                embedding_capable_providers = {"openai", "google", "ollama"}
+                embedding_capable_providers = {"openai", "google", "openrouter", "ollama"}
 
                 if (explicit_embedding_provider and
                     explicit_embedding_provider != "" and