diff --git a/tests/presubmit.sh b/tests/presubmit.sh
index 10ccf53..38af885 100755
--- a/tests/presubmit.sh
+++ b/tests/presubmit.sh
@@ -8,6 +8,8 @@
 CLANG_FORMAT=${CLANG_FORMAT:-clang-format}
 GOFMT=${GOFMT:-gofmt}
 
+git config --global --add safe.directory '*'
+
 if test -t 1; then
   ncolors=$(tput colors)
   if test -n "$ncolors" && test $ncolors -ge 8; then