diff --git a/public/javascripts/revision_graph.js b/public/javascripts/revision_graph.js
index c967e59..071f39d 100644
--- a/public/javascripts/revision_graph.js
+++ b/public/javascripts/revision_graph.js
@@ -52,6 +52,11 @@ function branchGraph(holder) {
 
             var textbox = t.getBBox();
             t.translate(textbox.width / 2, textbox.height / -3);
+
+            var reqWidth = x+5 + textbox.width;
+            if (reqWidth > r.width) {
+              r.setSize(reqWidth, r.height);
+            }
          }
         for (var j = 0, jj = commits[i].parents.length; j < jj; j++) {
             var c = comms[commits[i].parents[j][0]];