diff --git a/storage-test.sh b/storage-test.sh
index aacb76e..785ba1c 100755
--- a/storage-test.sh
+++ b/storage-test.sh
@@ -109,7 +109,7 @@ if [ "$1" = "" ]; then
   while IFS= read -r line; do
 	  ((df++))
 	  echo "${df}) ${line}"
-  done <<< "$(df | grep ext4)"
+  done <<< "$'(df | grep ext4)'"
   
   exit 0
   cd /