diff --git a/src/render/bound-curves.ts b/src/render/bound-curves.ts
index 0b260bd..6f19899 100644
--- a/src/render/bound-curves.ts
+++ b/src/render/bound-curves.ts
@@ -91,7 +91,7 @@ export class BoundCurves {
                 ? getCurvePoints(
                       bounds.left + Math.min(topWidth, bounds.width + borderLeftWidth),
                       bounds.top + borderTopWidth,
-                      topWidth > bounds.width + borderLeftWidth ? 0 : trh - borderLeftWidth,
+                      topWidth > bounds.width + borderRightWidth ? 0 : trh - borderRightWidth,
                       trv - borderTopWidth,
                       CORNER.TOP_RIGHT
                   )
diff --git a/tests/reftests/border/radius.html b/tests/reftests/border/radius.html
index 37136e1..1949c2f 100644
--- a/tests/reftests/border/radius.html
+++ b/tests/reftests/border/radius.html
@@ -63,6 +63,13 @@
         border-radius: 200px;
       }
 
+      .box7 {
+          border-width: 10px 10px 10px 1px;
+          border-left-color: transparent;
+          border-top-color: red;
+          border-right-color: green;
+      }
+
       .gauge{
           display: inline-block;
           width: 100px;
@@ -91,6 +98,7 @@
     <div class="box box4">&nbsp;</div>
     <div class="box box5">&nbsp;</div>
     <div class="box box6">&nbsp;</div>
+    <div class="box box7">&nbsp;</div>
     <div class="gauge gauge1"></div>
     <div class="gauge gauge2"></div>
     <div class="gauge gauge3"></div>