diff --git a/dev/flake.nix b/dev/flake.nix
index ab4a864f..0c51e565 100644
--- a/dev/flake.nix
+++ b/dev/flake.nix
@@ -44,13 +44,16 @@
             text = ''
               default_branch=$(git remote show origin | grep 'HEAD branch' | cut -d' ' -f5)
 
+              # Get the latest commit on the default branch
+              latest_default_commit=$(git rev-parse origin/"$default_branch")
+
               commit_count=2
 
               if [ "$commit_count" -eq 0 ]; then
                   echo "No commits to check between $default_branch and HEAD."
               else
                   echo "Checking $commit_count commit(s)..."
-                  cz check --rev-range "$default_branch"..HEAD
+                  cz check --rev-range "$latest_default_commit"..HEAD
               fi
             '';
           };