diff -r 722378bc599e -r b9b1042592e6 nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/Bootstrap.java
--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/Bootstrap.java	Wed Jul 05 20:14:13 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/Bootstrap.java	Tue Jan 13 16:38:29 2015 +0100
@@ -189,7 +189,7 @@
      * @return true if the obj is an instance of @FunctionalInterface interface
      */
     public static boolean isFunctionalInterfaceObject(final Object obj) {
-        return !JSType.isPrimitive(obj) && (NashornBottomLinker.getFunctionalInterfaceMethod(obj.getClass()) != null);
+        return !JSType.isPrimitive(obj) && (NashornBeansLinker.getFunctionalInterfaceMethod(obj.getClass()) != null);
     }
 
     /**