diff --git a/src/kemal.cr b/src/kemal.cr
index 993b9a0..44d8066 100644
--- a/src/kemal.cr
+++ b/src/kemal.cr
@@ -7,7 +7,7 @@ at_exit do
       Kemal.config.port = opt_port.to_i
     end
     opts.on("-e ", "--environment ", "environment") do |env|
-      Kemal.config.env = env
+      env ? Kemal.config.env = env : "development"
     end
   end
 
diff --git a/src/kemal/config.cr b/src/kemal/config.cr
index 34f8191..14a6130 100644
--- a/src/kemal/config.cr
+++ b/src/kemal/config.cr
@@ -1,5 +1,4 @@
 module Kemal
-
   class Config
     INSTANCE = Config.new
     HANDLERS = [] of HTTP::Handler
diff --git a/src/kemal/handler.cr b/src/kemal/handler.cr
index f2c7722..0333e20 100644
--- a/src/kemal/handler.cr
+++ b/src/kemal/handler.cr
@@ -17,7 +17,7 @@ class Kemal::Handler < HTTP::Handler
     @routes << Route.new(method, path, &handler)
   end
 
-  def process_request(request)  
+  def process_request(request)
     @routes.each do |route|
       match = route.match?(request)
       if match
diff --git a/src/kemal/logger.cr b/src/kemal/logger.cr
index 9dfc293..0c23671 100644
--- a/src/kemal/logger.cr
+++ b/src/kemal/logger.cr
@@ -33,5 +33,4 @@ class Kemal::Logger < HTTP::Handler
 
     "#{(millis * 1000).round(2)}µs"
   end
-
 end