diff --git a/src/engine/guidance/assemble_overview.cpp b/src/engine/guidance/assemble_overview.cpp
index 1b4e1ea06..13c099783 100644
--- a/src/engine/guidance/assemble_overview.cpp
+++ b/src/engine/guidance/assemble_overview.cpp
@@ -7,6 +7,7 @@
 
 #include <vector>
 #include <tuple>
+#include <numeric>
 
 namespace osrm
 {