diff --git a/format-code.sh b/format-code.sh
index 0f67180..1eb2232 100755
--- a/format-code.sh
+++ b/format-code.sh
@@ -4,6 +4,11 @@
 
 set -x
 
+if [ $# -ge 1 ]
+then
+    cd "$1"
+fi
+
 [ -f .clang-format ] && rm .clang-format
 
 # Use the provided clang-format, only define a version