diff --git a/test/iso/install_hash.sh b/test/iso/install_hash.sh
index 5ce8fcd..6989399 100644
--- a/test/iso/install_hash.sh
+++ b/test/iso/install_hash.sh
@@ -11,4 +11,4 @@ then
     implantisomd5 --force "../../${ISO_NAME}"
 fi
 
-cd $(dirname "../../${ISO_NAME}") && sha256sum -c "$(basename ${ISO_NAME})-CHECKSUM"
\ No newline at end of file
+cd "$(dirname "../../${ISO_NAME}")" && sha256sum -c "$(basename "${ISO_NAME}")-CHECKSUM"
\ No newline at end of file