diff --git a/TES/tes/apiendpoints.py b/TES/tes/apiendpoints.py
index 7d0ccb66453da6e3498f2af7ad0fccca40d746d5..33e12021b5339919b75e4130d21dde0088b7dac3 100644
--- a/TES/tes/apiendpoints.py
+++ b/TES/tes/apiendpoints.py
@@ -64,7 +64,7 @@ class SSHAgent(Resource):
             sshsess.add_keycert(key=data['key'],cert=data['cert'])
             sshsess.refresh()
             return "OK"
-        except Exception e:
+        except Exception as e:
             import traceback
             logger.error(e)
             logger.error(traceback.format_exc())