diff --git a/poky/meta/conf/machine/include/tune-cortex-m0.inc b/poky/meta/conf/machine/include/tune-cortex-m0.inc
index a59c8af..aadc532 100644
--- a/poky/meta/conf/machine/include/tune-cortex-m0.inc
+++ b/poky/meta/conf/machine/include/tune-cortex-m0.inc
@@ -5,7 +5,7 @@
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'cortexm0', ' -mcpu=cortex-m0', '', d)}"
 AVAILTUNES += "cortexm0"
 
-ARMPKGARCH_tune-cortexm0 = "cortexm0"
-TUNE_FEATURES_tune-cortexm0 = "${TUNE_FEATURES_tune-armv6m} cortexm0"
+ARMPKGARCH:tune-cortexm0 = "cortexm0"
+TUNE_FEATURES:tune-cortexm0 = "${TUNE_FEATURES:tune-armv6m} cortexm0"
 
-PACKAGE_EXTRA_ARCHS_tune-cortexm0 = "${PACKAGE_EXTRA_ARCHS_tune-armv6m} cortexm0"
+PACKAGE_EXTRA_ARCHS:tune-cortexm0 = "${PACKAGE_EXTRA_ARCHS:tune-armv6m} cortexm0"