diff --git a/spawn.c b/spawn.c
index 3e89ca23..57b369dd 100644
--- a/spawn.c
+++ b/spawn.c
@@ -53,6 +53,9 @@
 
 #include "spawn.h"
 
+#include <sys/types.h>
+#include <sys/wait.h>
+
 #include <unistd.h>
 #include <glib.h>