diff --git a/justifytext-library/src/main/java/me/biubiubiu/justifytext/library/JustifyTextView.java b/justifytext-library/src/main/java/me/biubiubiu/justifytext/library/JustifyTextView.java
index cba24bb..fc8c130 100644
--- a/justifytext-library/src/main/java/me/biubiubiu/justifytext/library/JustifyTextView.java
+++ b/justifytext-library/src/main/java/me/biubiubiu/justifytext/library/JustifyTextView.java
@@ -62,7 +62,7 @@ private void drawScaledText(Canvas canvas, int lineStart, String line, float lin
             line = line.substring(3);
         }
 
-        float d = (mViewWidth - lineWidth) / line.length() - 1;
+        float d = (mViewWidth - lineWidth) / (line.length() - 1);
         for (int i = 0; i < line.length(); i++) {
             String c = String.valueOf(line.charAt(i));
             float cw = StaticLayout.getDesiredWidth(c, getPaint());