diff --git a/arch/arm/src/imxrt/imxrt_serial.c b/arch/arm/src/imxrt/imxrt_serial.c
index b9a9445a28..a0e64508ee 100644
--- a/arch/arm/src/imxrt/imxrt_serial.c
+++ b/arch/arm/src/imxrt/imxrt_serial.c
@@ -56,6 +56,7 @@
 #include <nuttx/arch.h>
 #include <nuttx/init.h>
 #include <nuttx/power/pm.h>
+#include <nuttx/fs/ioctl.h>
 #include <nuttx/serial/serial.h>
 
 #include <arch/board/board.h>