diff --git a/frameworks/Ruby/roda-sequel/hello_world.rb b/frameworks/Ruby/roda-sequel/hello_world.rb
index c05354e2097..387e0187034 100644
--- a/frameworks/Ruby/roda-sequel/hello_world.rb
+++ b/frameworks/Ruby/roda-sequel/hello_world.rb
@@ -15,9 +15,19 @@ def rand1
     rand(MAX_PK) + 1
   end
 
+  if defined?(Puma)
+    def set_default_headers(response)
+      response[DATE_HEADER] = Time.now.httpdate
+      response[SERVER_HEADER] = SERVER_STRING
+    end
+  else
+    def set_default_headers(response)
+      response[SERVER_HEADER] = SERVER_STRING
+    end
+  end
+
   route do |r|
-    response[DATE_HEADER] = Time.now.httpdate
-    response[SERVER_HEADER] = SERVER_STRING if SERVER_STRING
+    set_default_headers(response)
 
     # Test type 1: JSON serialization
     r.is "json" do