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-rw-r--r--ext/psych/lib/psych/visitors/to_ruby.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/psych/lib/psych/visitors/to_ruby.rb b/ext/psych/lib/psych/visitors/to_ruby.rb
index 984bc84..e74d5d4 100644
--- a/ext/psych/lib/psych/visitors/to_ruby.rb
+++ b/ext/psych/lib/psych/visitors/to_ruby.rb
@@ -307,7 +307,7 @@ module Psych
if key == '<<' && k.tag != "tag:yaml.org,2002:str"
case v
- when Nodes::Alias
+ when Nodes::Alias, Nodes::Mapping
begin
hash.merge! val
rescue TypeError