diff --git a/diff.js b/diff.js
index dd9bde3..0af3669 100644
--- a/diff.js
+++ b/diff.js
@@ -328,8 +328,7 @@ var LogicTypePrototype = {
 		if(arguments.length < 3 || !(cmp instanceof Function)){
 			return Diff.cmp(
 				cmp instanceof Function ? this : this.context(cmp),
-				obj)
-		}
+				obj) }
 
 		/*
 		cmp = cmp || function(a, b){
diff --git a/test.js b/test.js
index c9d6205..ca55965 100755
--- a/test.js
+++ b/test.js
@@ -69,11 +69,32 @@ test.Tests({
 test.Cases({
 	'basics': function(assert){
 		// XXX move reference objects + expected diffs to setups
-		a = {}
-		b = {}
+		var a = {}
+		var b = {}
 
 		assert(diff.Diff(a, b), 'Diff(..)')
 	},
+	recursion: function(assert){
+		var a = {}
+		a.x = a
+		var b = {}
+		b.x = b
+
+		assert(diff.cmp(a, b), 'recursive cmp(..)')
+
+		a = {}
+		a.x = a
+		b = {}
+		b.y = b
+		assert(!diff.cmp(a, b), 'recursive !cmp(..)')
+
+
+		a = {}
+		a.x = a
+		b = {x: {}}
+
+		assert(!diff.cmp(a, b), 'recursive cmp(..)')
+	},
 })