diff --git a/src/test/modules/worker_spi/worker_spi.c b/src/test/modules/worker_spi/worker_spi.c
index 7c9a3eb67e3..f8395bfb57d 100644
--- a/src/test/modules/worker_spi/worker_spi.c
+++ b/src/test/modules/worker_spi/worker_spi.c
@@ -227,7 +227,8 @@ worker_spi_main(Datum main_arg)
 		 */
 		rc = WaitLatch(MyLatch,
 					   WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH,
-					   worker_spi_naptime * 1000L);
+					   worker_spi_naptime * 1000L,
+					   WAIT_EXTENSION);
 		ResetLatch(MyLatch);
 
 		/* emergency bailout if postmaster has died */