1 files changed, 1 insertions, 0 deletions
diff --git a/Eigen/QR b/Eigen/QR
index cee480594..7e3a0bd8c 100644
--- a/Eigen/QR
+++ b/Eigen/QR
@@ -6,6 +6,7 @@
 namespace Eigen {
 
 #include "src/QR/QR.h"
+#include "src/QR/Tridiagonalization.h"
 #include "src/QR/EigenSolver.h"
 
 } // namespace Eigen