diff --git a/pytec/pytec/aioclient.py b/pytec/pytec/aioclient.py
index d939329..30264f1 100644
--- a/pytec/pytec/aioclient.py
+++ b/pytec/pytec/aioclient.py
@@ -38,8 +38,8 @@ class Client:
         self.timeout = timeout
         try:
             self._reader, self._writer = await self._connecting_task
-        except asyncio.CancelledError:
-            raise StoppedConnecting
+        except asyncio.CancelledError as exc:
+            raise StoppedConnecting from exc
         finally:
             self._connecting_task = None