diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index 1fa6be733c6cebc91d90529ea4283e5500d9fda1..744e2a1ed689a371e60810136c0009cc5a9780e7 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -4515,7 +4515,7 @@ class LUGetTags(TagsLU):
     """Returns the tag list.
 
     """
-    return self.target.GetTags()
+    return list(self.target.GetTags())
 
 
 class LUSearchTags(NoHooksLU):