diff --git a/scripts/objtool-wrapper.in b/scripts/objtool-wrapper.in
index 0451f8718..0cea6e2f6 100644
--- a/scripts/objtool-wrapper.in
+++ b/scripts/objtool-wrapper.in
@@ -22,10 +22,10 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-# Filter out objtools '--Werror' flag.
+# Filter out objtools '--Werror or --werror' flag.
 
 objtool="@abs_objtool_binary@"
-args=$(echo "$*" | sed s/--Werror//)
+args=$(echo "$*" | sed 's/--Werror\|--werror//')
 
 if [ -z "$objtool" ]; then
 	echo "$(basename "$0"): No objtool binary configured" 1>&2