diff --git a/arch/arm/src/cxd56xx/cxd56_emmc.c b/arch/arm/src/cxd56xx/cxd56_emmc.c
index f74857492d..8d3bb18c6f 100644
--- a/arch/arm/src/cxd56xx/cxd56_emmc.c
+++ b/arch/arm/src/cxd56xx/cxd56_emmc.c
@@ -28,6 +28,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <assert.h>
+#include <debug.h>
 #include <errno.h>
 
 #include <nuttx/arch.h>