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-rw-r--r--activesupport/lib/active_support/core_ext/hash/conversions.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index 74e23bd884..a77fb55747 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -9,7 +9,7 @@ class Object
end
def to_query(key) #:nodoc:
- "#{key}=#{CGI.escape(to_param)}"
+ "#{key}=#{CGI.escape(to_param || "")}"
end
end