diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
index cdb4d29cc..c826d0bc1 100644
--- a/boot/zephyr/Kconfig
+++ b/boot/zephyr/Kconfig
@@ -91,6 +91,7 @@ config BOOT_ED25519_PSA_DEPENDENCIES
 	select PSA_WANT_ECC_TWISTED_EDWARDS_255
 	select PSA_WANT_ECC_MONTGOMERY_255
 	select PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT if !PSA_CORE_LITE
+	select PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT if !BOOT_SIGNATURE_USING_KMU
 	help
 	  Dependencies for ed25519 signature