diff --git a/examples/FisheyeExample.cpp b/examples/FisheyeExample.cpp
index 2231492993..fc0aed0d77 100644
--- a/examples/FisheyeExample.cpp
+++ b/examples/FisheyeExample.cpp
@@ -122,8 +122,7 @@ int main(int argc, char *argv[]) {
   std::cout << "initial error=" << graph.error(initialEstimate) << std::endl;
   std::cout << "final error=" << graph.error(result) << std::endl;
 
-  std::ofstream os("examples/vio_batch.dot");
-  graph.saveGraph(os, result);
+  graph.saveGraph("examples/vio_batch.dot", result);
 
   return 0;
 }
diff --git a/examples/Pose2SLAMExample_graphviz.cpp b/examples/Pose2SLAMExample_graphviz.cpp
index 27d5567252..a8768e2b8d 100644
--- a/examples/Pose2SLAMExample_graphviz.cpp
+++ b/examples/Pose2SLAMExample_graphviz.cpp
@@ -60,11 +60,10 @@ int main(int argc, char** argv) {
 
   // save factor graph as graphviz dot file
   // Render to PDF using "fdp Pose2SLAMExample.dot -Tpdf > graph.pdf"
-  ofstream os("Pose2SLAMExample.dot");
-  graph.saveGraph(os, result);
+  graph.saveGraph("Pose2SLAMExample.dot", result);
 
   // Also print out to console
-  graph.saveGraph(cout, result);
+  graph.dot(cout, result);
 
   return 0;
 }