diff --git a/Library/Homebrew/utils/gems.rb b/Library/Homebrew/utils/gems.rb
index 7ab486e520..46ffca2f79 100644
--- a/Library/Homebrew/utils/gems.rb
+++ b/Library/Homebrew/utils/gems.rb
@@ -224,7 +224,7 @@ module Homebrew
     old_path = ENV.fetch("PATH", nil)
     old_gem_path = ENV.fetch("GEM_PATH", nil)
     old_gem_home = ENV.fetch("GEM_HOME", nil)
-    old_bundle_cache_path = ENV.fetch("BUNDLE_CACHE_PATH", nil)
+    old_bundle_user_cache = ENV.fetch("BUNDLE_USER_CACHE", nil)
     old_bundle_gemfile = ENV.fetch("BUNDLE_GEMFILE", nil)
     old_bundle_with = ENV.fetch("BUNDLE_WITH", nil)
     old_bundle_frozen = ENV.fetch("BUNDLE_FROZEN", nil)
@@ -249,7 +249,7 @@ module Homebrew
     else
       ENV.fetch("HOMEBREW_CACHE")
     end
-    ENV["BUNDLE_CACHE_PATH"] = "#{homebrew_cache}/bundler_cache"
+    ENV["BUNDLE_USER_CACHE"] = "#{homebrew_cache}/bundler_cache"
     ENV["BUNDLE_GEMFILE"] = gemfile
     ENV["BUNDLE_WITH"] = groups.join(" ")
     ENV["BUNDLE_FROZEN"] = "true"
@@ -346,7 +346,7 @@ module Homebrew
       ENV["BUNDLE_GEMFILE"] = old_bundle_gemfile
       ENV["BUNDLE_WITH"] = old_bundle_with
       ENV["BUNDLE_FROZEN"] = old_bundle_frozen
-      ENV["BUNDLE_CACHE_PATH"] = old_bundle_cache_path
+      ENV["BUNDLE_USER_CACHE"] = old_bundle_user_cache
     end
   end
 end