diff --git a/include/arch/arm/cortex_m/cmsis.h b/include/arch/arm/cortex_m/cmsis.h
index 07d8090e900..67252986449 100644
--- a/include/arch/arm/cortex_m/cmsis.h
+++ b/include/arch/arm/cortex_m/cmsis.h
@@ -14,12 +14,12 @@
 #ifndef ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_CMSIS_H_
 #define ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_CMSIS_H_
 
+#include <soc.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include <soc.h>
-
 /* CP10 Access Bits */
 #define CPACR_CP10_Pos          20U
 #define CPACR_CP10_Msk          (3UL << CPACR_CP10_Pos)