diff --git a/.cirrus.yml b/.cirrus.yml
index 910b1d6313a..677bdf0e65e 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -395,7 +395,7 @@ task:
     - perl src/tools/msvc/vcregress.pl check parallel
   startcreate_script:
     # paths to binaries need backslashes
-    - tmp_install\bin\pg_ctl.exe initdb -D tmp_check/db -l tmp_check/initdb.log
+    - tmp_install\bin\pg_ctl.exe initdb -D tmp_check/db -l tmp_check/initdb.log --options=--no-sync
     - echo include '%TEMP_CONFIG%' >> tmp_check/db/postgresql.conf
     - tmp_install\bin\pg_ctl.exe start -D tmp_check/db -l tmp_check/postmaster.log
   test_pl_script: