diff --git a/receivers/electron/scripts/deploy.py b/receivers/electron/scripts/deploy.py
index 41ce8f9..5100dce 100644
--- a/receivers/electron/scripts/deploy.py
+++ b/receivers/electron/scripts/deploy.py
@@ -108,7 +108,7 @@ def upload_local_cache(current_version):
             version = rel_path.split('/')[1]
 
             if RELEASE_CANDIDATE and version == current_version:
-                rc_path = full_path[:full_path.rfind('.')] + f'_rc{RELEASE_CANDIDATE_VERSION}' + full_path[full_path.rfind('.'):]
+                rc_path = full_path[:full_path.rfind('.')] + f'-rc{RELEASE_CANDIDATE_VERSION}' + full_path[full_path.rfind('.'):]
                 os.rename(full_path, rc_path)
                 rel_path = os.path.relpath(rc_path, LOCAL_CACHE_DIR)