diff --git a/scripts/link-check-git-diff.sh b/scripts/link-check-git-diff.sh
index 79e56817ee..fe09ea5326 100755
--- a/scripts/link-check-git-diff.sh
+++ b/scripts/link-check-git-diff.sh
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 set -euxo pipefail
-$(dirname "$0")/link-check.sh <(git diff origin/master -U0)
+$(dirname "$0")/link-check.sh <(git diff $(git merge-base HEAD origin/master) -U0 | grep '^\+')