diff --git a/ci/format.sh b/ci/format.sh
index e564de3..bc45960 100755
--- a/ci/format.sh
+++ b/ci/format.sh
@@ -8,6 +8,7 @@ mc=`git status . | grep modified | wc -l | sed 's/ //g'`
 
 if [ ${mc} -ne 0 ]; then
     git status .
+    git diff
     exit 1
 fi