1 files changed, 2 insertions, 2 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index fa454e338e..8e092b0d0b 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -902,9 +902,9 @@ class Vector
       els = @elements.collect{|e| e * x}
       Vector.elements(els, false)
     when Matrix
-      self.covector * x
+      Matrix.column_vector(self) * x
     else
-      s, x = X.coerce(self)
+      s, x = x.coerce(self)
       s * x
     end
   end