diff --git a/.github/scripts/contrib.sh b/.github/scripts/contrib.sh
index 7ba00acba..438aa7ebf 100755
--- a/.github/scripts/contrib.sh
+++ b/.github/scripts/contrib.sh
@@ -9,7 +9,7 @@ git log --pretty=format:' - %ae' CONTRIBUTORS |sort |uniq |sort -f | sed "s/@/$a
 
 headAuthor=$(git log -1 --pretty=format:'%ae')
 authorAt=$(echo "$headAuthor" | sed "s/@/$antispam/")
-if git log --pretty=format:'%ae' CONTRIBUTORS | grep -q "$headAuthor"; then
+if git log --pretty=format:'%ae' CONTRIBUTORS | grep -qi "$headAuthor"; then
     echo "Author $authorAt found in CONTRIBUTORS"
 else
     echo "Author $authorAt NOT found in list"