diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index d42b495b099278cc7a96b4dc0945d56c38c06287..6c7468eb3684494b46a248fcef39a1e451fd6856 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -189,4 +189,5 @@ $(obj)/%.o: $(src)/%.c
 		-Wno-compare-distinct-pointer-types \
 		-Wno-gnu-variable-sized-type-not-at-end \
 		-Wno-address-of-packed-member -Wno-tautological-compare \
+		-Wno-unknown-warning-option \
 		-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@