diff --git a/Base/home/anon/Tests/run-tests-and-shutdown.sh b/Base/home/anon/Tests/run-tests-and-shutdown.sh
index 82579d91bf0..50b1fb86ef1 100755
--- a/Base/home/anon/Tests/run-tests-and-shutdown.sh
+++ b/Base/home/anon/Tests/run-tests-and-shutdown.sh
@@ -13,6 +13,7 @@ unset LLVM_PROFILE_FILE
 echo "Failed: $fail_count" > ./test-results.log
 
 if test $DO_SHUTDOWN_AFTER_TESTS {
+    sync
     shutdown -n
 }