1 files changed, 1 insertions, 2 deletions
diff --git a/lib/arel/nodes/window.rb b/lib/arel/nodes/window.rb
index b54eb7fe64..383d6b8778 100644
--- a/lib/arel/nodes/window.rb
+++ b/lib/arel/nodes/window.rb
@@ -17,7 +17,6 @@ module Arel
       end
 
       def frame(expr)
-        raise ArgumentError, "Window frame cannot be set more than once" if @frame
         @framing = expr
       end
 
@@ -75,4 +74,4 @@ module Arel
       end
     end
   end
-end
-\ No newline at end of file
+end