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-rw-r--r--lib/bundler/cli.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/bundler/cli.rb b/lib/bundler/cli.rb
index 2d63072299..8cff0b33eb 100644
--- a/lib/bundler/cli.rb
+++ b/lib/bundler/cli.rb
@@ -795,7 +795,7 @@ module Bundler
return unless name_index
value = options[name]
- value = "#{value.join(" ")}" if option.type == :array
+ value = value.join(" ").to_s if option.type == :array
Bundler::SharedHelpers.major_deprecation 2,\
"The `#{flag_name}` flag is deprecated because it relied on being " \