diff --git a/src/select.c b/src/select.c
index 4f5d7ed95..9517778ce 100644
--- a/src/select.c
+++ b/src/select.c
@@ -23,6 +23,8 @@
 #include <osmocore/linuxlist.h>
 #include <osmocore/timer.h>
 
+#include "../config.h"
+
 #ifdef HAVE_SYS_SELECT_H
 
 static int maxfd = 0;