1 files changed, 3 insertions, 2 deletions
diff --git a/lib/arel/visitors/where_sql.rb b/lib/arel/visitors/where_sql.rb
index acd84cd631..27dde73673 100644
--- a/lib/arel/visitors/where_sql.rb
+++ b/lib/arel/visitors/where_sql.rb
@@ -1,8 +1,9 @@
 module Arel
   module Visitors
     class WhereSql < Arel::Visitors::ToSql
-      def visit_Arel_Nodes_SelectCore o
-        "WHERE #{o.wheres.map { |x| visit x}.join ' AND ' }"
+      def visit_Arel_Nodes_SelectCore o, collector
+        collector << "WHERE "
+        inject_join o.wheres, collector, ' AND '
       end
     end
   end