diff --git a/nixpkgs_review/review.py b/nixpkgs_review/review.py
index 969fe829..7fa4c636 100644
--- a/nixpkgs_review/review.py
+++ b/nixpkgs_review/review.py
@@ -221,7 +221,7 @@ def build_commit(
         if self.only_packages:
             if reviewed_commit is None:
                 self.apply_unstaged(staged)
-            elif self.checkout == CheckoutOption.MERGE:
+            elif self.checkout == CheckoutOption.COMMIT:
                 self.git_checkout(reviewed_commit)
             else:
                 self.git_merge(reviewed_commit)
@@ -246,7 +246,7 @@ def build_commit(
 
         if reviewed_commit is None:
             self.apply_unstaged(staged)
-        elif self.checkout == CheckoutOption.MERGE:
+        elif self.checkout == CheckoutOption.COMMIT:
             self.git_checkout(reviewed_commit)
         else:
             self.git_merge(reviewed_commit)