diff --git a/meta/classes-recipe/barebox.bbclass b/meta/classes-recipe/barebox.bbclass
index 200ba08326..baba0a2965 100644
--- a/meta/classes-recipe/barebox.bbclass
+++ b/meta/classes-recipe/barebox.bbclass
@@ -53,6 +53,7 @@ EXTRA_OEMAKE = " \
     PKG_CONFIG=pkg-config-native \
     CROSS_PKG_CONFIG=pkg-config \
 "
+KCONFIG_CONFIG_COMMAND:append = " ${EXTRA_OEMAKE}"
 
 BAREBOX_CONFIG[doc] = "The barebox kconfig defconfig file. Not used if a file called defconfig is added to the SRC_URI."
 BAREBOX_CONFIG ?= ""