diff --git a/roles/copr/backend/templates/lighttpd/pulp-redirect.lua.j2 b/roles/copr/backend/templates/lighttpd/pulp-redirect.lua.j2
index 970c998b2c..9a02a69496 100644
--- a/roles/copr/backend/templates/lighttpd/pulp-redirect.lua.j2
+++ b/roles/copr/backend/templates/lighttpd/pulp-redirect.lua.j2
@@ -64,7 +64,7 @@ function pulp_url(copr_path)
     url = url .. "/"
   end
 
-  if copr_path:sub(-4) != ".rpm" then
+  if copr_path:sub(-4) ~= ".rpm" then
     -- This is easy for .xml files inside the repodata, because in Pulp they are
     -- located at the same place where they would be on Copr backend.
     -- e.g. @copr/copr-dev/fedora-43-x86_64/repodata/repomd.xml