diff --git a/lib/faraday/adapter/em_http.rb b/lib/faraday/adapter/em_http.rb
index b8373beb..e17bc9da 100644
--- a/lib/faraday/adapter/em_http.rb
+++ b/lib/faraday/adapter/em_http.rb
@@ -235,8 +235,14 @@ module Faraday
 
         def perform_request
           client = yield
-          client.callback { @num_succeeded += 1; check_finished }
-          client.errback { @errors << client.error; check_finished }
+          client.callback do
+            @num_succeeded += 1
+            check_finished
+          end
+          client.errback do
+            @errors << client.error
+            check_finished
+          end
         end
 
         def check_finished
diff --git a/spec/faraday/rack_builder_spec.rb b/spec/faraday/rack_builder_spec.rb
index 628b4cf9..b1d7981e 100644
--- a/spec/faraday/rack_builder_spec.rb
+++ b/spec/faraday/rack_builder_spec.rb
@@ -10,11 +10,11 @@ RSpec.describe Faraday::RackBuilder do
     end
   end
 
-  class Apple < Handler;
+  class Apple < Handler
   end
-  class Orange < Handler;
+  class Orange < Handler
   end
-  class Banana < Handler;
+  class Banana < Handler
   end
 
   class Broken < Faraday::Middleware