diff --git a/build/make-image.sh b/build/make-image.sh
index d0a01fcdc..01fd86010 100755
--- a/build/make-image.sh
+++ b/build/make-image.sh
@@ -17,7 +17,7 @@ while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symli
   [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
 done
 DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
-cd $DIR/..
+cd "$DIR/.."
 
 truncate --size=$[(31116287+1)*512] eos.img
 if [ -z "$OUTPUT_DEVICE" ]; then