diff --git a/src/java.base/share/classes/java/lang/Number.java b/src/java.base/share/classes/java/lang/Number.java
index 019ed9c56c3..76657378d13 100644
--- a/src/java.base/share/classes/java/lang/Number.java
+++ b/src/java.base/share/classes/java/lang/Number.java
@@ -53,6 +53,11 @@ package java.lang;
  * @since   1.0
  */
 public abstract class Number implements java.io.Serializable {
+    /**
+     * Constructor for subclasses to call.
+     */
+    public Number() {super();}
+
     /**
      * Returns the value of the specified number as an {@code int}.
      *