diff --git a/src/path/Curve.js b/src/path/Curve.js
index b6050361..19d66f6c 100644
--- a/src/path/Curve.js
+++ b/src/path/Curve.js
@@ -1593,10 +1593,10 @@ new function() { // Scope for intersection using bezier fat-line clipping
         for (var i = 1, l = part.length; i < l; i++) {
             var qx = part[i][0],
                 qy = part[i][1];
-            if (qy == threshold) {
-                return qx;
-            } else if (top ? qy > threshold : qy < threshold)
-                return px + (threshold - py) * (qx - px) / (qy - py);
+            if (top ? qy >= threshold : qy <= threshold) {
+                return qy === threshold ? qx
+                        : px + (threshold - py) * (qx - px) / (qy - py);
+            }
             px = qx;
             py = qy;
         }