diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 91e323e672439007f65750302502e317d90851a7..c9911af9ff93d2eb8b53fb10a853d8bcb77eda19 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -315,7 +315,7 @@ def unescape_bytea(value)
       def quote(value, column = nil) #:nodoc:
         return super unless column
 
-        if value.kind_of?(String) && column.type == :binary
+        if value.kind_of?(String) && column.sql_type == 'bytea'
           "'#{escape_bytea(value)}'"
         elsif value.kind_of?(String) && column.sql_type == 'xml'
           "xml '#{quote_string(value)}'"