diff --git a/startup.sh b/startup.sh
index 15e29e3..3ec42c7 100755
--- a/startup.sh
+++ b/startup.sh
@@ -12,7 +12,7 @@ done
 
 #manually bring up osd
 for osd_dir in /ceph/osd_*; do
-    osd_name=$(basename osd_dir)
+    osd_name=$(basename "$osd_dir")
     osd_id=$(echo "$osd_dir" | cut -d'_' -f2)
     docker run -d --rm --net=ceph --hostname "$HOSTNAME" --privileged -v /ceph/"$osd_name"/etc/ceph:/etc/ceph -v /ceph/"$osd_name"/var/lib/ceph:/var/lib/ceph -v /dev:/dev -e OSD_ID="$osd_id" --name "$osd_name" docker.io/ceph/daemon:latest-nautilus osd_ceph_volume_activate
 done
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