diff --git a/src/java/org/apache/solr/search/ValueSourceParser.java b/src/java/org/apache/solr/search/ValueSourceParser.java
index 05bbdc5b4d7..25790f07d8a 100755
--- a/src/java/org/apache/solr/search/ValueSourceParser.java
+++ b/src/java/org/apache/solr/search/ValueSourceParser.java
@@ -120,7 +120,7 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin
         ValueSource source = fp.parseValueSource();
         float min = fp.parseFloat();
         float max = fp.parseFloat();
-        return new ScaleFloatFunction(source,min,max);
+        return new TopValueSource(new ScaleFloatFunction(source,min,max));
       }
 
       public void init(NamedList args) {