diff --git a/dist/tools/whitespacecheck/check.sh b/dist/tools/whitespacecheck/check.sh
index 4b31f9e97fd88b0b97c40b438a0a19ac9c06c27a..2a0a08df1295a544ccc7765f969a87a55a03d97b 100755
--- a/dist/tools/whitespacecheck/check.sh
+++ b/dist/tools/whitespacecheck/check.sh
@@ -27,7 +27,7 @@ if [ -z "${BRANCH}" ]; then
     BRANCH=$(git rev-list HEAD | tail -n 1)
 fi
 
-git diff --check $(git merge-base ${BRANCH} HEAD) > /dev/null
+git diff --check $(git merge-base ${BRANCH} HEAD)
 if [ $? -gt 0 ]
 then
     echo "ERROR: This change introduces new whitespace errors"