diff --git a/shard.yml b/shard.yml
index e9e2d19..f25532c 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: kemal
-version: 0.15.0
+version: 0.15.1
 
 dependencies:
   radix:
diff --git a/src/kemal/null_log_handler.cr b/src/kemal/null_log_handler.cr
index ca4d712..e636465 100644
--- a/src/kemal/null_log_handler.cr
+++ b/src/kemal/null_log_handler.cr
@@ -2,6 +2,7 @@ module Kemal
   # This is here to represent the logger corresponding to Null Object Pattern.
   class NullLogHandler < Kemal::BaseLogHandler
     def call(context)
+      call_next(context)
     end
 
     def write(message)