diff --git a/litellm/llms/gigachat/authenticator.py b/litellm/llms/gigachat/authenticator.py
index 5418b3bcb8f..6c6a3d58b46 100644
--- a/litellm/llms/gigachat/authenticator.py
+++ b/litellm/llms/gigachat/authenticator.py
@@ -112,12 +112,13 @@ def get_access_token(
     # Request new token
     token, expires_at = _request_token_sync(credentials, scope, auth_url)
 
-    # Cache token
-    ttl_seconds = max(
-        0, (expires_at - TOKEN_EXPIRY_BUFFER_MS - time.time() * 1000) / 1000
-    )
-    if ttl_seconds > 0:
-        _token_cache.set_cache(cache_key, (token, expires_at), ttl=ttl_seconds)
+    if expires_at:
+        # Cache token
+        ttl_seconds = max(
+            0, (expires_at - TOKEN_EXPIRY_BUFFER_MS - time.time() * 1000) / 1000
+        )
+        if ttl_seconds > 0:
+            _token_cache.set_cache(cache_key, (token, expires_at), ttl=ttl_seconds)
 
     return token