fix check
diff --git a/installers/install_osm.sh b/installers/install_osm.sh
index ae1fe0b..54106e0 100755
--- a/installers/install_osm.sh
+++ b/installers/install_osm.sh
@@ -247,7 +247,7 @@
       --header 'accept: application/vnd.yang.data+json' \
       --header 'authorization: Basic YWRtaW46YWRtaW4=' \
       --header 'cache-control: no-cache' \
-      --header 'content-type: application/vnd.yang.data+json' &> /dev/null)
+      --header 'content-type: application/vnd.yang.data+json' )
 
     if [ -n "$current" -a "$current" != "{}" ]; then
         curl -k --request DELETE \