diff --git a/boot/at91bootstrap3/at91bootstrap3.mk b/boot/at91bootstrap3/at91bootstrap3.mk
index 1c68094634..fa67ea6847 100644
--- a/boot/at91bootstrap3/at91bootstrap3.mk
+++ b/boot/at91bootstrap3/at91bootstrap3.mk
@@ -49,10 +49,11 @@ endif
 AT91BOOTSTRAP3_KCONFIG_FILE = $(AT91BOOTSTRAP3_SOURCE_CONFIG)
 AT91BOOTSTRAP3_KCONFIG_EDITORS = menuconfig xconfig gconfig
 AT91BOOTSTRAP3_KCONFIG_OPTS = $(AT91BOOTSTRAP3_MAKE_OPTS)
-$(eval $(kconfig-package))
 
 # Checks to give errors that the user can understand
+# Must be before we call to kconfig-package
 ifeq ($(BR_BUILDING),y)
+
 ifeq ($(BR2_TARGET_AT91BOOTSTRAP3_USE_DEFCONFIG),y)
 ifeq ($(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG)),)
 $(error No at91bootstrap3 defconfig name specified, check your BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG setting)
@@ -74,4 +75,6 @@ $(error No custom at91bootstrap3 repository version specified. Check your BR2_TA
 endif
 endif
 
-endif
+endif # BR_BUILDING
+
+$(eval $(kconfig-package))