1 files changed, 2 insertions, 2 deletions
diff --git a/lib/arel/nodes/function.rb b/lib/arel/nodes/function.rb
index b58eba7f38..3263ff9cd4 100644
--- a/lib/arel/nodes/function.rb
+++ b/lib/arel/nodes/function.rb
@@ -6,12 +6,12 @@ module Arel
 
       def initialize expr, aliaz = nil
         @expressions = expr
-        @alias       = aliaz
+        @alias       = aliaz && SqlLiteral.new(aliaz.to_s)
         @distinct    = false
       end
 
       def as aliaz
-        self.alias = SqlLiteral.new(aliaz)
+        self.alias = SqlLiteral.new(aliaz.to_s)
         self
       end
     end