diff --git a/src/buffer.hh b/src/buffer.hh
index 845d04b1..7b04aa9d 100644
--- a/src/buffer.hh
+++ b/src/buffer.hh
@@ -10,6 +10,8 @@
 #include "value.hh"
 #include "vector.hh"
 
+#include <time.h>
+
 namespace Kakoune
 {