1 files changed, 3 insertions, 1 deletions
diff --git a/lib/rational.rb b/lib/rational.rb
index af4eada071..1e41b9a28a 100644
--- a/lib/rational.rb
+++ b/lib/rational.rb
@@ -317,6 +317,7 @@ class Fixnum
     alias power! **;
   end
   
+  undef quo
   def quo(other)
     Rational.new!(self,1) / other
   end
@@ -339,7 +340,8 @@ class Bignum
   if not defined? power!
     alias power! **
   end
-  
+
+  undef quo
   def quo(other)
     Rational.new!(self,1) / other
   end