diff --git a/src/kemal/common_log_handler.cr b/src/kemal/common_log_handler.cr
index 28c23cd..256fcca 100644
--- a/src/kemal/common_log_handler.cr
+++ b/src/kemal/common_log_handler.cr
@@ -17,9 +17,9 @@ class Kemal::CommonLogHandler < Kemal::BaseLogHandler
   def call(context)
     time = Time.now
     call_next(context)
-    elapsed = Time.now - time
-    elapsed_text = elapsed_text(elapsed)
-    write "#{time} #{context.response.status_code} #{context.request.method} #{context.request.resource} - #{elapsed_text}\n"
+    elapsed_text = elapsed_text(Time.now - time)
+    @handler << time << " " << context.response.status_code << " " << context.request.method << " " << context.request.resource << " " << elapsed_text << "\n"
+    @handler.rewind
     context
   end
 
@@ -35,12 +35,4 @@ class Kemal::CommonLogHandler < Kemal::BaseLogHandler
 
     "#{(millis * 1000).round(2)}µs"
   end
-
-  def write(message)
-    if @env == "production"
-      @handler.write message.to_slice
-    else
-      @handler.print message
-    end
-  end
 end