diff --git a/src/blueapi/client/rest.py b/src/blueapi/client/rest.py
index 52150d36f..952da5fad 100644
--- a/src/blueapi/client/rest.py
+++ b/src/blueapi/client/rest.py
@@ -104,8 +104,12 @@ def _exception(response: requests.Response) -> Exception | None:
     code = response.status_code
     if code < 400:
         return None
+    elif code == 401:
+        return BlueskyRemoteControlError(code, "Unauthorized: Authentication required.")
+    elif code == 403:
+        return BlueskyRemoteControlError(code, "Forbidden: You do not have permission.")
     elif code == 404:
-        return KeyError(str(response.json()))
+        return BlueskyRemoteControlError(code, "Resource not found.")
     else:
         return BlueskyRemoteControlError(code, str(response))