diff --git a/src/styles.cr b/src/styles.cr
index 6b77d43..95cb882 100644
--- a/src/styles.cr
+++ b/src/styles.cr
@@ -35,7 +35,7 @@ module Tartrazine
     end
     begin
       Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
-    rescue ex ; Exception
+    rescue ex : Exception
       raise Exception.new("Error loading theme #{name}: #{ex.message}")
     end
   end