diff --git a/src/ae_select.c b/src/ae_select.c
index e2b7a9e8..c039a8ea 100644
--- a/src/ae_select.c
+++ b/src/ae_select.c
@@ -29,6 +29,7 @@
  */
 
 
+#include <sys/select.h>
 #include <string.h>
 
 typedef struct aeApiState {