diff --git a/scripts/sync-kernel.sh b/scripts/sync-kernel.sh
index a07e376..aafe408 100755
--- a/scripts/sync-kernel.sh
+++ b/scripts/sync-kernel.sh
@@ -86,7 +86,8 @@ for p in "${!PATH_MAP[@]}"; do
 	LIBBPF_TREE_FILTER+="git mv -kf ${p} __libbpf/${PATH_MAP[${p}]} && "$'\\\n'
 done
 LIBBPF_TREE_FILTER+="find __libbpf/include/uapi/linux -type f -exec sed -i -e 's/_UAPI\(__\?LINUX\)/\1/g' -e 's@^#include <linux/compiler_types.h>@@' {} + && "$'\\\n'
-LIBBPF_TREE_FILTER+="git rm --ignore-unmatch -f __libbpf/src/{Makefile,Build,test_libbpf.c,.gitignore} >/dev/null"
+# git filter-branch evaluates the filter with /bin/sh, so no bashisms here
+LIBBPF_TREE_FILTER+="git rm --ignore-unmatch -f __libbpf/src/Makefile __libbpf/src/Build __libbpf/src/test_libbpf.c __libbpf/src/.gitignore >/dev/null"
 
 cd_to()
 {