diff --git a/tools/qfcc/source/dot_dag.c b/tools/qfcc/source/dot_dag.c
index bed0179b1..27953b999 100644
--- a/tools/qfcc/source/dot_dag.c
+++ b/tools/qfcc/source/dot_dag.c
@@ -140,7 +140,7 @@ print_node (dstring_t *dstr, dagnode_t *node)
 void
 print_dag (dstring_t *dstr, dagnode_t *dag)
 {
-	dasprintf (dstr, "  subgraph dag_%p {", dag);
+	dasprintf (dstr, "  subgraph cluster_dag_%p {", dag);
 	print_count++;
 	print_root_nodes (dstr, dag);
 	print_child_nodes (dstr, dag);
diff --git a/tools/qfcc/source/dot_flow.c b/tools/qfcc/source/dot_flow.c
index 1c86397a4..22282969c 100644
--- a/tools/qfcc/source/dot_flow.c
+++ b/tools/qfcc/source/dot_flow.c
@@ -89,7 +89,7 @@ print_flow_node (dstring_t *dstr, flowgraph_t *graph, flownode_t *node,
 		dasprintf (dstr, "%*s}\n", indent, "");
 	}
 	if (node->dag) {
-		dasprintf (dstr, "  fn_%p -> dagnode_%p;", node, node->dag);
+		dasprintf (dstr, "  fn_%p -> dagnode_%p;\n", node, node->dag);
 		print_dag (dstr, node->dag);
 	}
 }