diff --git a/debian/scripts/koha-rebuild-zebra b/debian/scripts/koha-rebuild-zebra
index 6c0fce3883..06cdc67410 100755
--- a/debian/scripts/koha-rebuild-zebra
+++ b/debian/scripts/koha-rebuild-zebra
@@ -132,7 +132,7 @@ while [ -n "$*" ]; do
             force="yes"
             ;;
         -v|--verbose)
-            opt_verbose="-v"
+            opt_verbose="$opt_verbose -v"
             ;;
         -q|--quiet)
             quiet="yes"