1 files changed, 3 insertions, 3 deletions
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index d293b2a6f..237ffa74e 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -229,10 +229,9 @@ module Homebrew
     EOS
   end
 
-  # Hash of Module => Set(method_names)
-  @injected_dump_stat_modules = {}
-
+  # rubocop:disable Style/GlobalVars
   def inject_dump_stats!(the_module, pattern)
+    @injected_dump_stat_modules ||= {}
     @injected_dump_stat_modules[the_module] ||= []
     injected_methods = @injected_dump_stat_modules[the_module]
     the_module.module_eval do
@@ -260,6 +259,7 @@ module Homebrew
       end
     end
   end
+  # rubocop:enable Style/GlobalVars
 end
 
 def with_system_path