diff -r dd11df900f7f -r b963750b125f mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Mon Dec 11 22:16:13 2017 -0800
+++ b/mercurial/hgweb/webcommands.py	Thu Dec 07 17:18:29 2017 +0800
@@ -1277,7 +1277,7 @@
     return tmpl('graph', rev=rev, symrev=symrev, revcount=revcount,
                 uprev=uprev,
                 lessvars=lessvars, morevars=morevars, downrev=downrev,
-                cols=cols, rows=rows,
+                cols=cols, rows=rows, changesets=count,
                 canvaswidth=(cols + 1) * bg_height,
                 truecanvasheight=rows * bg_height,
                 canvasheight=canvasheight, bg_height=bg_height,