diff --git a/share/tools/web_config/webconfig.py b/share/tools/web_config/webconfig.py
index 6739f6fad..7a827bd84 100755
--- a/share/tools/web_config/webconfig.py
+++ b/share/tools/web_config/webconfig.py
@@ -1508,6 +1508,7 @@ class FishConfigHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
                     "fish_pager_color_secondary_description",
                 )
             )
+            output=""
             for item in postvars.get("colors"):
                 what = item.get("what")
                 color = item.get("color")