diff --git a/.gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py b/.gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
index 1d018f36da8f276b8839a9184f20a2e4b4ee17ec..077df337c0f7d130546d7fbe29ed31006a10ddad 100755
--- a/.gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
+++ b/.gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
@@ -264,7 +264,7 @@ def setNightlyTags(ghcup_metadata):
     for version in ghcup_metadata['ghcupDownloads']['GHC']:
         if "LatestNightly" in ghcup_metadata['ghcupDownloads']['GHC'][version]["viTags"]:
             ghcup_metadata['ghcupDownloads']['GHC'][version]["viTags"].remove("LatestNightly")
-        ghcup_metadata['ghcupDownloads']['GHC'][version]["viTags"].append("Nightly")
+            ghcup_metadata['ghcupDownloads']['GHC'][version]["viTags"].append("Nightly")