diff --git a/src/backend/storage/ipc/ipc.c b/src/backend/storage/ipc/ipc.c
index 53f7c1e77e..a85a1c6de5 100644
--- a/src/backend/storage/ipc/ipc.c
+++ b/src/backend/storage/ipc/ipc.c
@@ -272,6 +272,8 @@ shmem_exit(int code)
 		on_shmem_exit_list[on_shmem_exit_index].function(code,
 														 on_shmem_exit_list[on_shmem_exit_index].arg);
 	on_shmem_exit_index = 0;
+
+	shmem_exit_inprogress = false;
 }
 
 /* ----------------------------------------------------------------