diff --git a/include/dfu/mcuboot.h b/include/dfu/mcuboot.h
index 0d0f00ba4b2..5aee627f76c 100644
--- a/include/dfu/mcuboot.h
+++ b/include/dfu/mcuboot.h
@@ -13,6 +13,10 @@
 
 #include <zephyr/types.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Attempt to boot the contents of slot 0. */
 #define BOOT_SWAP_TYPE_NONE     1
 
@@ -177,4 +181,8 @@ int boot_request_upgrade(int permanent);
  */
 int boot_erase_img_bank(u8_t area_id);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* ZEPHYR_INCLUDE_DFU_MCUBOOT_H_ */