diff --git a/src/java.base/share/classes/java/text/DigitList.java b/src/java.base/share/classes/java/text/DigitList.java
index f269698d6da..d757f03bb84 100644
--- a/src/java.base/share/classes/java/text/DigitList.java
+++ b/src/java.base/share/classes/java/text/DigitList.java
@@ -784,12 +784,7 @@ final class DigitList implements Cloneable {
             return "0";
         }
 
-        return getStringBuilder()
-                .append("0.")
-                .append(digits, 0, count)
-                .append("x10^")
-                .append(decimalAt)
-                .toString();
+        return "0." + new String(digits, 0, count) + "x10^" + decimalAt;
     }
 
     private StringBuilder tempBuilder;