diff --git a/classpath/java/lang/Math.java b/classpath/java/lang/Math.java
index ab753441c1..6ffe5879b9 100644
--- a/classpath/java/lang/Math.java
+++ b/classpath/java/lang/Math.java
@@ -62,6 +62,10 @@ public final class Math {
     return (int) Math.floor(v + 0.5);
   }
 
+  public static double random() {
+    throw new UnsupportedOperationException();
+  }
+
   public static native double floor(double v);
 
   public static native double ceil(double v);