diff --git a/nix/tools/withTools.nix b/nix/tools/withTools.nix
index 736ccb9b1..816c7105a 100644
--- a/nix/tools/withTools.nix
+++ b/nix/tools/withTools.nix
@@ -62,7 +62,7 @@ let
 
         log "Starting the database cluster..."
         # Instead of listening on a local port, we will listen on a unix domain socket.
-        pg_ctl -l "$tmpdir/db.log" -w start -o "-F -c listen_addresses=\"\" -k $PGHOST" \
+        pg_ctl -l "$tmpdir/db.log" -w start -o "-F -c listen_addresses=\"\" -k $PGHOST -c log_statement=\"all\"" \
           >> "$setuplog"
 
         stop () {