1 files changed, 1 insertions, 1 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index 632b5fe266..17a0b50718 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -894,7 +894,7 @@ class Matrix
       when Vector
         Scalar.Raise WrongArgType, other.class, "Numeric or Scalar or Matrix"
       when Matrix
-        self * _M.inverse
+        self * other.inverse
       else
         x, y = other.coerce(self)
         x / y