diff --git a/dune/matrix-vector/test/triangularsolvetest.cc b/dune/matrix-vector/test/triangularsolvetest.cc
index 2e9f24cc57c34f5c7a2d3d2d5c84825328b2c94d..1507a2bc69c15092a79a4b26556a2d6e49e351ac 100644
--- a/dune/matrix-vector/test/triangularsolvetest.cc
+++ b/dune/matrix-vector/test/triangularsolvetest.cc
@@ -2,6 +2,8 @@
 #include "config.h"
 #endif
 
+#include <random>
+
 #include <dune/common/bitsetvector.hh>
 #include <dune/common/fmatrix.hh>
 #include <dune/common/fvector.hh>