diff --git a/sys/mips/cavium/std.octeon1 b/sys/mips/cavium/std.octeon1
index fa6ae0746d98..d5ff64bf7044 100644
--- a/sys/mips/cavium/std.octeon1
+++ b/sys/mips/cavium/std.octeon1
@@ -7,3 +7,4 @@ cpu		CPU_CNMIPS
 makeoptions CFLAGS_PARAM_INLINE_UNIT_GROWTH=10000
 makeoptions CFLAGS_PARAM_LARGE_FUNCTION_GROWTH=100000
 makeoptions CFLAGS_ARCH_PARAMS="--param max-inline-insns-single=10000"
+makeoptions "CWARNFLAGS.clang"+="-Wno-parentheses-equality -Wno-pointer-sign"