diff --git a/spec/filters_spec.cr b/spec/filters_spec.cr
index 8af0870..e74878b 100644
--- a/spec/filters_spec.cr
+++ b/spec/filters_spec.cr
@@ -25,7 +25,7 @@ describe "Kemal::FilterHandler" do
     end
     Kemal.config.add_filter_handler(filter_handler)
 
-    post "/sensitive_post" do |env|
+    post "/sensitive_post" do
       "sensitive"
     end