diff --git a/lib/nodes/shmem.c b/lib/nodes/shmem.c
index 9b3bcdcca..1b5a4050e 100644
--- a/lib/nodes/shmem.c
+++ b/lib/nodes/shmem.c
@@ -228,7 +228,7 @@ static struct plugin p = {
 	.description = "use POSIX shared memory to interface with other programs",
 	.type = PLUGIN_TYPE_NODE,
 	.node = {
-		.vectorize = 1,
+		.vectorize = 0,
 		.size = sizeof(struct shmem),
 		.parse = shmem_parse,
 		.print = shmem_print,