diff --git a/Eigen/src/Cholesky/LDLT.h b/Eigen/src/Cholesky/LDLT.h
index ceb818f19..4d3149d42 100644
--- a/Eigen/src/Cholesky/LDLT.h
+++ b/Eigen/src/Cholesky/LDLT.h
@@ -322,7 +322,7 @@ template<typename Derived>
 inline const LDLT<typename MatrixBase<Derived>::PlainObject>
 MatrixBase<Derived>::ldlt() const
 {
-  return derived();
+  return LDLT<PlainObject>(derived());
 }
 
 #endif // EIGEN_LDLT_H