diff --git a/meta-oniro-core/recipes-core/libxml/libxml2_%.bbappend b/meta-oniro-core/recipes-core/libxml/libxml2_%.bbappend
index 9c2b6fd14d3a780fe0e8af60851ef7c51ff5f1eb..3bef187678dcaf7d262e2e3687886d3f3e6fb9d9 100644
--- a/meta-oniro-core/recipes-core/libxml/libxml2_%.bbappend
+++ b/meta-oniro-core/recipes-core/libxml/libxml2_%.bbappend
@@ -8,4 +8,4 @@
 # Removing -Werror=array-bounds here allows us to use -Werror=array-bounds
 # globally in OPTIMIZE_FOR=security mode.
 
-TARGET_CFLAGS_remove = "-Werror=array-bounds"
+TARGET_CFLAGS:remove = "-Werror=array-bounds"