diff --git a/unarrc/unarrc_cgo.go b/unarrc/unarrc_cgo.go
index c43c2af..3c8a957 100644
--- a/unarrc/unarrc_cgo.go
+++ b/unarrc/unarrc_cgo.go
@@ -3,7 +3,7 @@ package unarrc
 /*
 #cgo !debug CFLAGS: -DNDEBUG -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 #cgo CFLAGS: -std=c99 -DHAVE_7Z -DHAVE_ZLIB -DHAVE_BZIP2 -D_7ZIP_PPMD_SUPPPORT -DBZ_NO_STDIO
-#cgo CFLAGS: -Iexternal/lzma -Iexternal/zlib -Iexternal/bzip2 -Iexternal/unarr -fomit-frame-pointer -Wno-typedef-redefinition -Wno-unknown-warning
+#cgo CFLAGS: -Iexternal/lzma -Iexternal/zlib -Iexternal/bzip2 -Iexternal/unarr -fomit-frame-pointer -Wno-typedef-redefinition -Wno-unknown-warning -Wno-unknown-warning-option
 #cgo amd64 arm64 arm64be loong64 mips64 mips64le ppc64 ppc64le riscv64 s390x sparc64 CFLAGS: -D_FILE_OFFSET_BITS=64
 
 void bz_internal_error (int errcode) {};