diff --git a/src/Views/Controls/CommitGraph.cs b/src/Views/Controls/CommitGraph.cs
index 0915c880..82e00d6f 100644
--- a/src/Views/Controls/CommitGraph.cs
+++ b/src/Views/Controls/CommitGraph.cs
@@ -270,7 +270,7 @@ namespace SourceGit.Views.Controls {
                             } else {
                                 ctx.QuadraticBezierTo(new Point(last.X, cur.Y), cur, true, false);
                             }
-                        } else {
+                        } else if (cur.Y != last.Y) {
                             ctx.LineTo(cur, true, false);
                         }