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-rw-r--r--actionpack/lib/action_view/lookup_context.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/lookup_context.rb b/actionpack/lib/action_view/lookup_context.rb
index 95478b9af6..9bf4289f42 100644
--- a/actionpack/lib/action_view/lookup_context.rb
+++ b/actionpack/lib/action_view/lookup_context.rb
@@ -85,6 +85,7 @@ module ActionView
protected
def _set_detail(key, value)
+ @details = @details.dup if @details_key
@details_key = nil
@details[key] = value
end