diff --git a/api/db/services/dialog_service.py b/api/db/services/dialog_service.py
index ed178434d..9935827be 100644
--- a/api/db/services/dialog_service.py
+++ b/api/db/services/dialog_service.py
@@ -296,10 +296,14 @@ async def async_chat(dialog, messages, stream=True, **kwargs):
     langfuse_keys = TenantLangfuseService.filter_by_tenant(tenant_id=dialog.tenant_id)
     if langfuse_keys:
         langfuse = Langfuse(public_key=langfuse_keys.public_key, secret_key=langfuse_keys.secret_key, host=langfuse_keys.host)
-        if langfuse.auth_check():
-            langfuse_tracer = langfuse
-            trace_id = langfuse_tracer.create_trace_id()
-            trace_context = {"trace_id": trace_id}
+        try:
+            if langfuse.auth_check():
+                langfuse_tracer = langfuse
+                trace_id = langfuse_tracer.create_trace_id()
+                trace_context = {"trace_id": trace_id}
+        except Exception:
+            # Skip langfuse tracing if connection fails
+            pass
 
     check_langfuse_tracer_ts = timer()
     kbs, embd_mdl, rerank_mdl, chat_mdl, tts_mdl = get_models(dialog)
diff --git a/api/db/services/tenant_llm_service.py b/api/db/services/tenant_llm_service.py
index 43f9107b2..5bd663734 100644
--- a/api/db/services/tenant_llm_service.py
+++ b/api/db/services/tenant_llm_service.py
@@ -392,7 +392,11 @@ class LLM4Tenant:
         self.langfuse = None
         if langfuse_keys:
             langfuse = Langfuse(public_key=langfuse_keys.public_key, secret_key=langfuse_keys.secret_key, host=langfuse_keys.host)
-            if langfuse.auth_check():
-                self.langfuse = langfuse
-                trace_id = self.langfuse.create_trace_id()
-                self.trace_context = {"trace_id": trace_id}
+            try:
+                if langfuse.auth_check():
+                    self.langfuse = langfuse
+                    trace_id = self.langfuse.create_trace_id()
+                    self.trace_context = {"trace_id": trace_id}
+            except Exception:
+                # Skip langfuse tracing if connection fails
+                pass