diff --git a/matlab/gtsam_examples/gtsamExamples.m b/matlab/gtsam_examples/gtsamExamples.m
index 39ba79203..094329329 100644
--- a/matlab/gtsam_examples/gtsamExamples.m
+++ b/matlab/gtsam_examples/gtsamExamples.m
@@ -146,7 +146,7 @@ PlanarSLAMExample_sampling
 function PlanarSLAMGraph_Callback(hObject, eventdata, handles)
 axes(handles.axes3);
 echo on
-PlanarSLAMExample_Graph
+PlanarSLAMExample_graph
 echo off
 
 % --- Executes on button press in SFM.