diff --git a/repo_cloner/lib/detector.py b/repo_cloner/lib/detector.py
index 8398e95..5feb36f 100644
--- a/repo_cloner/lib/detector.py
+++ b/repo_cloner/lib/detector.py
@@ -174,10 +174,10 @@ class Detector:
 		log.info(f"Running commit detector")
 		new_branches = self._repo.list_branches()
 		if not new_branches:
-			new_branches = []
+			new_branches = {}
 		new_tags = self._repo.list_tags()
 		if not new_tags:
-			new_tags = []
+			new_tags = {}
 
 		# remove removed
 		old_keys = self._branches.keys()