diff --git a/transformations/src/main/java/jp/wasabeef/glide/transformations/RoundedCornersTransformation.java b/transformations/src/main/java/jp/wasabeef/glide/transformations/RoundedCornersTransformation.java
index 30c7323..9538f1e 100755
--- a/transformations/src/main/java/jp/wasabeef/glide/transformations/RoundedCornersTransformation.java
+++ b/transformations/src/main/java/jp/wasabeef/glide/transformations/RoundedCornersTransformation.java
@@ -222,8 +222,8 @@ public class RoundedCornersTransformation extends BitmapTransformation {
         radius, paint);
     canvas.drawRoundRect(new RectF(right - diameter, bottom - diameter, right, bottom), radius,
         radius, paint);
-    canvas.drawRect(new RectF(margin, margin + radius, right - diameter, bottom), paint);
-    canvas.drawRect(new RectF(margin + diameter, margin, right, bottom - radius), paint);
+    canvas.drawRect(new RectF(margin, margin + radius, right - radius, bottom), paint);
+    canvas.drawRect(new RectF(margin + radius, margin, right, bottom - radius), paint);
   }
 
   private void drawDiagonalFromTopRightRoundRect(Canvas canvas, Paint paint, float right,