diff --git a/meta-oniro-core/recipes-support/gnupg/gnupg_%.bbappend b/meta-oniro-core/recipes-support/gnupg/gnupg_%.bbappend
index 5f7f07176d1d3e9f4c87c817ea8f834b1ab87e8c..784a838cce48cb7d87ccc1ccfbb0870797166cec 100644
--- a/meta-oniro-core/recipes-support/gnupg/gnupg_%.bbappend
+++ b/meta-oniro-core/recipes-support/gnupg/gnupg_%.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"