diff --git a/support/download/dl-wrapper b/support/download/dl-wrapper
index 8d6365e08d..4059c37ebc 100755
--- a/support/download/dl-wrapper
+++ b/support/download/dl-wrapper
@@ -88,7 +88,7 @@ main() {
     download_and_check=0
     rc=1
     for uri in "${uris[@]}"; do
-        backend=${uri%+*}
+        backend=${uri%%+*}
         case "${backend}" in
             git|svn|cvs|bzr|file|scp|hg) ;;
             *) backend="wget" ;;