diff --git a/omr-tracker/files/bin/omr-tracker-server b/omr-tracker/files/bin/omr-tracker-server
index 8760427eb..69c33a78f 100755
--- a/omr-tracker/files/bin/omr-tracker-server
+++ b/omr-tracker/files/bin/omr-tracker-server
@@ -47,7 +47,7 @@ _check_server_intf() {
 			    --max-time "$OMR_TRACKER_TIMEOUT" \
 			    -s \
 			    -k \
-			    --interface $intf
+			    --interface $intf \
 			    "https://${host}:${port}/"
 			)
 			[ -n "$ret" ] && {