java/src/rbtree/ext/MultiRBTree.java in rbtree-jruby-0.2.0 vs java/src/rbtree/ext/MultiRBTree.java in rbtree-jruby-0.2.1

@@ -561,11 +561,11 @@
     return nodeOrDefault(context, maximum(), true);
   }
 
   @JRubyMethod
   public IRubyObject delete(ThreadContext context, IRubyObject key, Block block) {
-    Node node = lower_boundInternal(context, key);
-    if (node.isNull()) {
+    Node node = internalGet(context, (RubyObject) key);
+    if (node == null) {
       if (block.isGiven()) {
         return block.yield(context, key);
       }
       return getRuntime().getNil();
     }