diff --git a/scripts/diff.sh b/scripts/diff.sh
index b17603a..28a4b35 100755
--- a/scripts/diff.sh
+++ b/scripts/diff.sh
@@ -25,7 +25,7 @@ if [[ -z "$base" ]] || [[ -z "$head" ]]; then
 fi
 
 set +e
-if (schema_changed "$base" "$head"); then
+if ! (schema_changed "$base" "$head"); then
   echo ""
   exit 0;
 fi;