1 files changed, 1 insertions, 0 deletions

diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index f2e8fc42ecc2..bc6afaf74c1a 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -19,6 +19,7 @@
 #include "chan_user.h"
 #include "port.h"
 #include "os.h"
+#include "um_malloc.h"
 
 struct port_chan {
         int raw;