diff --git a/Casks/z/zprint.rb b/Casks/z/zprint.rb
index cbc9fe8d5f..276f407120 100644
--- a/Casks/z/zprint.rb
+++ b/Casks/z/zprint.rb
@@ -1,5 +1,5 @@
 cask "zprint" do
-  arch arm:   "a"
+  arch arm: "a"
 
   version "1.2.8"
   sha256 intel: "03c146a2d411325114f38d211c3d4a9f2ab837b9287c46a7387114319253b2bd",