1 files changed, 1 insertions, 0 deletions

diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index 11de3ac1eb5c..d95d64309eaf 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -11,6 +11,7 @@
 #include "user_util.h"
 #include "user.h"
 #include "os.h"
+#include "um_malloc.h"
 
 struct tty_chan {
         char *dev;