diff --git a/script/release_checklist.py b/script/release_checklist.py
index cb2f43944b..50583cf435 100755
--- a/script/release_checklist.py
+++ b/script/release_checklist.py
@@ -236,7 +236,7 @@ def parse_version(version_str):
 def is_version_gte(version1, version2):
     """Check if version1 >= version2, including proper handling of release candidates."""
     # Check if version1 is a nightly toolchain
-    if version1.startswith("leanprover/lean4:nightly-"):
+    if version1.startswith("leanprover/lean4:nightly-") or version1.startswith("leanprover/lean4-nightly:"):
         return False
     return parse_version(version1) >= parse_version(version2)