diff --git a/bash/fs.sh b/bash/fs.sh
index 9c1d122..5b53b9a 100644
--- a/bash/fs.sh
+++ b/bash/fs.sh
@@ -71,7 +71,7 @@ fs_wipe() {
 		fi
 		if [ -n "${count}" ]; then
 			set -- "${@}" \
-				count=${count}
+				count="${count}"
 		fi
 		dd "${@}"
 	fi