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-rw-r--r--ext/etc/mkconstants.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/etc/mkconstants.rb b/ext/etc/mkconstants.rb
index 69b472d682..a752d64519 100644
--- a/ext/etc/mkconstants.rb
+++ b/ext/etc/mkconstants.rb
@@ -67,7 +67,7 @@ def each_name(pat)
end
erb_new = lambda do |src, safe, trim|
- if RUBY_VERSION >= '2.6'
+ if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+
ERB.new(src, trim_mode: trim)
else
ERB.new(src, safe, trim)