diff --git a/src/main/select.c b/src/main/select.c
index ab4137f44..505b3e572 100644
--- a/src/main/select.c
+++ b/src/main/select.c
@@ -59,6 +59,7 @@ do {							\
 
 #ifdef CONFIG_LIBCURL
 #include <curl/curl.h>
+#include <sys/cdefs.h>
 #endif
 
 #include "elinks.h"