diff --git a/lib/rebel/sql.rb b/lib/rebel/sql.rb
index 2581de7..3eb3b60 100644
--- a/lib/rebel/sql.rb
+++ b/lib/rebel/sql.rb
@@ -82,7 +82,7 @@ module Rebel::SQL
     end
 
     def on?(*clause)
-      clause.any? ? on(clause) : self
+      clause.any? ? on(*clause) : self
     end
 
     def and(*clause)