diff --git a/lib/settings.h b/lib/settings.h
index e5fff6716..1e7b50a08 100644
--- a/lib/settings.h
+++ b/lib/settings.h
@@ -30,6 +30,7 @@
 #include "suppressions.h"
 #include "timer.h"
 
+#include <algorithm>
 #include <atomic>
 #include <list>
 #include <set>