diff --git a/src/Mod/Sketcher/App/planegcs/GCS.cpp b/src/Mod/Sketcher/App/planegcs/GCS.cpp
index ceff36fa6f..639fdbc79e 100644
--- a/src/Mod/Sketcher/App/planegcs/GCS.cpp
+++ b/src/Mod/Sketcher/App/planegcs/GCS.cpp
@@ -105,8 +105,7 @@
 #include <boost/graph/adjacency_list.hpp>
 #include <boost/graph/connected_components.hpp>
 
-typedef Eigen::Matrix<long int, 1, -1, 1, 1, -1> MatrixIndexType;
-typedef Eigen::PermutationMatrix<Eigen::Dynamic,Eigen::Dynamic> PermutationType;
+typedef Eigen::FullPivHouseholderQR<Eigen::MatrixXd>::IntDiagSizeVectorType MatrixIndexType;
 
 #ifdef _GCS_DEBUG
 void LogMatrix(std::string str, Eigen::MatrixXd matrix )