diff --git a/deps/libiosuhax/iosuhax_devoptab.c b/deps/libiosuhax/iosuhax_devoptab.c
index b468e118fe..4d59d6ae73 100644
--- a/deps/libiosuhax/iosuhax_devoptab.c
+++ b/deps/libiosuhax/iosuhax_devoptab.c
@@ -24,6 +24,7 @@
 #include <errno.h>
 #include <sys/statvfs.h>
 #include <sys/dirent.h>
+#include <sys/iosupport.h>
 #include <string.h>
 #include <malloc.h>
 #include <stdint.h>