diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
index 14eba57..bc3c234 100644
--- a/boot/zephyr/Kconfig
+++ b/boot/zephyr/Kconfig
@@ -129,6 +129,8 @@
 	select MCUBOOT_DEVICE_CPU_CORTEX_M0 if CPU_CORTEX_M0
         # Enable flash page layout if available
 	select FLASH_PAGE_LAYOUT if FLASH_HAS_PAGE_LAYOUT
+	# Enable flash_map module as flash I/O back-end
+	select FLASH_MAP
 
 config MCUBOOT_DEVICE_CPU_CORTEX_M0
 	# Hidden selector for Cortex-M0 settings