diff --git a/lib/kubernetes-deploy/statsd.rb b/lib/kubernetes-deploy/statsd.rb
index 91f47d479..e8f427776 100644
--- a/lib/kubernetes-deploy/statsd.rb
+++ b/lib/kubernetes-deploy/statsd.rb
@@ -40,7 +40,7 @@ def self.increment(key, value = 1, *metric_options)
       super
     end
 
-    def self.distribution(key, value=nil, *metric_options, &block)
+    def self.distribution(key, value = nil, *metric_options, &block)
       if metric_options && metric_options.first.is_a?(Hash)
         metric_options.first[:prefix] = PREFIX
       end