diff --git a/c/ios.c b/c/ios.c
index 8ad4391..a4e5e47 100644
--- a/c/ios.c
+++ b/c/ios.c
@@ -18,6 +18,7 @@
 #include <fcntl.h>
 #else
 #include <unistd.h>
+#include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/select.h>
 #include <fcntl.h>