diff --git a/dune/xt/common/parallel/threadstorage.hh b/dune/xt/common/parallel/threadstorage.hh
index bb6b869507f817fa7f2d117189237cb5adc96214..3f1399af8f1453b614a7d2c53651405c0a79154e 100644
--- a/dune/xt/common/parallel/threadstorage.hh
+++ b/dune/xt/common/parallel/threadstorage.hh
@@ -13,6 +13,7 @@
 
 #include <deque>
 #include <algorithm>
+#include <numeric>
 #include <type_traits>
 #include <numeric>