diff --git a/Eigen/src/Core/SelfAdjointView.h b/Eigen/src/Core/SelfAdjointView.h
index 48d368ea4..c21f3a377 100644
--- a/Eigen/src/Core/SelfAdjointView.h
+++ b/Eigen/src/Core/SelfAdjointView.h
@@ -229,7 +229,7 @@ struct ei_selfadjoint_product_returntype<Lhs,LhsMode,false,Rhs,0,true>
   {}
 
   inline int rows() const { return m_lhs.rows(); }
-  inline int cols() const { return m_lhs.cols(); }
+  inline int cols() const { return m_rhs.cols(); }
 
   template<typename Dest> inline void _addTo(Dest& dst) const
   { evalTo(dst,1); }
@@ -282,7 +282,7 @@ struct ei_selfadjoint_product_returntype<Lhs,LhsMode,false,Rhs,RhsMode,false>
   {}
 
   inline int rows() const { return m_lhs.rows(); }
-  inline int cols() const { return m_lhs.cols(); }
+  inline int cols() const { return m_rhs.cols(); }
 
   typedef typename Lhs::Scalar Scalar;
 
diff --git a/Eigen/src/Core/products/TriangularMatrixMatrix.h b/Eigen/src/Core/products/TriangularMatrixMatrix.h
index b97eaeabf..ce18941ee 100644
--- a/Eigen/src/Core/products/TriangularMatrixMatrix.h
+++ b/Eigen/src/Core/products/TriangularMatrixMatrix.h
@@ -331,7 +331,7 @@ struct ei_triangular_product_returntype<Mode,LhsIsTriangular,Lhs,false,Rhs,false
   {}
 
   inline int rows() const { return m_lhs.rows(); }
-  inline int cols() const { return m_lhs.cols(); }
+  inline int cols() const { return m_rhs.cols(); }
 
   typedef typename Lhs::Scalar Scalar;
 
diff --git a/Eigen/src/Core/products/TriangularMatrixVector.h b/Eigen/src/Core/products/TriangularMatrixVector.h
index 864b89afc..18d76b95c 100644
--- a/Eigen/src/Core/products/TriangularMatrixVector.h
+++ b/Eigen/src/Core/products/TriangularMatrixVector.h
@@ -142,7 +142,7 @@ struct ei_triangular_product_returntype<Mode,true,Lhs,false,Rhs,true>
   {}
 
   inline int rows() const { return m_lhs.rows(); }
-  inline int cols() const { return m_lhs.cols(); }
+  inline int cols() const { return m_rhs.cols(); }
 
   template<typename Dest> inline void _addTo(Dest& dst) const
   { evalTo(dst,1); }