diff --git a/meta-oniro-core/recipes-devtools/sed/sed_%.bbappend b/meta-oniro-core/recipes-devtools/sed/sed_%.bbappend
index df56ed287d4d0e3dc29a001a2024c7859c8a29cf..3231617deb90168061df8613279fee57b32f89bd 100644
--- a/meta-oniro-core/recipes-devtools/sed/sed_%.bbappend
+++ b/meta-oniro-core/recipes-devtools/sed/sed_%.bbappend
@@ -8,4 +8,4 @@
 # -Werror=format-nonliteral globally in OPTIMIZE_FOR=security mode
 # while keeping sed building.
 
-TARGET_CFLAGS_remove = "-Werror=format-nonliteral"
+TARGET_CFLAGS:remove = "-Werror=format-nonliteral"