diff --git a/nomad/node_endpoint.go b/nomad/node_endpoint.go
index a56d842f3..c94ba7a3e 100644
--- a/nomad/node_endpoint.go
+++ b/nomad/node_endpoint.go
@@ -452,8 +452,8 @@ func (n *Node) UpdateAlloc(args *structs.AllocUpdateRequest, reply *structs.Gene
 	defer metrics.MeasureSince([]string{"nomad", "client", "update_alloc"}, time.Now())
 
 	// Ensure only a single alloc
-	if len(args.Alloc) != 1 {
-		return fmt.Errorf("must update a single allocation")
+	if len(args.Alloc) == 0 {
+		return fmt.Errorf("must update at least one allocation")
 	}
 
 	// Commit this update via Raft