diff --git a/rhodecode/templates/changelog/changelog.html b/rhodecode/templates/changelog/changelog.html
--- a/rhodecode/templates/changelog/changelog.html
+++ b/rhodecode/templates/changelog/changelog.html
@@ -193,11 +193,11 @@ ${_('%s Changelog') % c.repo_name} - ${c
                     	YUD.setStyle(e.currentTarget,'display','none');
                     	YUD.setStyle(elem,'height','auto');
 
-                    	//redraw the graph, max_w and jsdata are global vars
-                        set_canvas(max_w);
+                    	//redraw the graph, line_count and jsdata are global vars
+                        set_canvas(100);
 
                         var r = new BranchRenderer();
-                        r.render(jsdata,max_w);
+                        r.render(jsdata,100,line_count);
 
                     })
 
@@ -223,31 +223,32 @@ ${_('%s Changelog') % c.repo_name} - ${c
 
                     });
 
-					function set_canvas(heads) {
+					function set_canvas(width) {
 						var c = document.getElementById('graph_nodes');
 						var t = document.getElementById('graph_content');
 						canvas = document.getElementById('graph_canvas');
 						var div_h = t.clientHeight;
 						c.style.height=div_h+'px';
 						canvas.setAttribute('height',div_h);
-						c.style.height=max_w+'px';
-						canvas.setAttribute('width',max_w);
+						c.style.height=width+'px';
+						canvas.setAttribute('width',width);
 					};
 					var heads = 1;
-					var max_heads = 0;
+					var line_count = 0;
 					var jsdata = ${c.jsdata|n};
 
-					for( var i=0;i<jsdata.length;i++){
-					    var m = Math.max.apply(Math, jsdata[i][1]);
-					    if (m>max_heads){
-					        max_heads = m;
-					    }
+					for (var i=0;i<jsdata.length;i++) {
+                        var in_l = jsdata[i][2];
+                        for (var j in in_l) {
+                            var m = in_l[j][1];
+                            if (m > line_count)
+                                line_count = m;
+                        }
 					}
-					var max_w = Math.max(100,max_heads*25);
-					set_canvas(max_w);
+					set_canvas(100);
 
 					var r = new BranchRenderer();
-					r.render(jsdata,max_w);
+					r.render(jsdata,100,line_count);
 
 				});
 			</script>