diff --git a/t/lib/QA/TemplateFilters.pm b/t/lib/QA/TemplateFilters.pm
index d341d72199..26ae797230 100644
--- a/t/lib/QA/TemplateFilters.pm
+++ b/t/lib/QA/TemplateFilters.pm
@@ -156,6 +156,9 @@ sub process_tt_block {
         # Already has url or uri filter
         or $tt_block =~ m{\|\s?ur(l|i)}
 
+        # Already has trim filter
+        or $tt_block =~ m{\|\s?trim}
+
         # Specific for [% foo UNLESS bar %]
         or $tt_block =~ m{^(?<before>\S+)\s+UNLESS\s+(?<after>\S+)}
     ;