diff --git a/Eigen/Core b/Eigen/Core
index 7af09300c..3e1b5184d 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -49,7 +49,7 @@ namespace Eigen {
 #include "src/Core/IO.h"
 #include "src/Core/Swap.h"
 #include "src/Core/CommaInitializer.h"
-#include "src/Core/Triangular.h"
+#include "src/Core/Extract.h"
 #include "src/Core/Part.h"
 #include "src/Core/InverseProduct.h"
 
diff --git a/Eigen/src/Core/Triangular.h b/Eigen/src/Core/Extract.h
similarity index 100%
rename from Eigen/src/Core/Triangular.h
rename to Eigen/src/Core/Extract.h