diff --git a/src/map/source.cpp b/src/map/source.cpp
index ca1f3d532..9c0f7caf2 100644
--- a/src/map/source.cpp
+++ b/src/map/source.cpp
@@ -18,6 +18,8 @@
 #include <mbgl/map/vector_tile_data.hpp>
 #include <mbgl/map/raster_tile_data.hpp>
 
+#include <algorithm>
+
 namespace mbgl {
 
 Source::Source(const util::ptr<SourceInfo>& info_)