diff --git a/boot/zephyr/main.c b/boot/zephyr/main.c
index 073f4d7..86c6432 100644
--- a/boot/zephyr/main.c
+++ b/boot/zephyr/main.c
@@ -27,6 +27,12 @@
 #include <soc.h>
 #include <zephyr/linker/linker-defs.h>
 
+#if defined(CONFIG_CPU_AARCH32_CORTEX_A) || defined(CONFIG_CPU_AARCH32_CORTEX_R)
+#include <zephyr/arch/arm/aarch32/cortex_a_r/cmsis.h>
+#elif defined(CONFIG_CPU_CORTEX_M)
+#include <zephyr/arch/arm/aarch32/cortex_m/cmsis.h>
+#endif
+
 #include "target.h"
 
 #include "bootutil/bootutil_log.h"