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-rw-r--r--lib/hashie/hash_extensions.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/hashie/hash_extensions.rb b/lib/hashie/hash_extensions.rb
index 8fb5657..67d73f6 100644
--- a/lib/hashie/hash_extensions.rb
+++ b/lib/hashie/hash_extensions.rb
@@ -12,7 +12,9 @@ module Hashie
# to their string representations.
def hashie_stringify_keys!
self.keys.each do |k|
- self[k.to_s] = self.delete(k)
+ unless String === k
+ self[k.to_s] = self.delete(k)
+ end
end
self
end