diff --git a/scripts/small.toy b/scripts/small.toy
index 760e739..2f88e8c 100644
--- a/scripts/small.toy
+++ b/scripts/small.toy
@@ -1,36 +1,14 @@
 import compound;
 
-//test array concat
+
+//test dictionary concat with clashing keys
 {
-	var a = [1, 2, 3];
-	var b = [4, 5, 6];
-
-	var c = a.concat(b).concat(b);
-
-	assert c == [1, 2, 3, 4, 5, 6, 4, 5, 6], "array.concat() failed";
-}
-
-//test dictionary concat
-{
-	var a = ["one" : 1, "two": 2, "three": 3];
-	var b = ["four" : 4, "five": 5, "six": 6];
+	var a = ["one" : 1, "two": 2, "three": 3, "random": 1];
+	var b = ["four" : 4, "five": 5, "six": 6, "random": 2];
 
 	var c = a.concat(b);
 
-	assert c.length() == 6, "dictionary.concat().length() failed";
-
-	assert c == ["one" : 1, "two": 2, "three": 3, "four" : 4, "five": 5, "six": 6], "dictionary.concat() comparison failed";
+	assert c["random"] == 1, "dictionary.concat() clashing keys failed";
 }
 
-//test string concat
-{
-	var a = "foo";
-	var b = "bar";
-
-	var c = a.concat(b);
-
-	assert c == "foobar", "string.concat() failed";
-}
-
-
 print "All good";
diff --git a/test/scripts/lib/compound.toy b/test/scripts/lib/compound.toy
index 36d73b1..9c2a649 100644
--- a/test/scripts/lib/compound.toy
+++ b/test/scripts/lib/compound.toy
@@ -23,6 +23,16 @@ import compound;
 		assert c == ["one" : 1, "two": 2, "three": 3, "four" : 4, "five": 5, "six": 6], "dictionary.concat() comparison failed";
 	}
 
+	//test dictionary concat with clashing keys
+	{
+		var a = ["one" : 1, "two": 2, "three": 3, "random": 1];
+		var b = ["four" : 4, "five": 5, "six": 6, "random": 2];
+
+		var c = a.concat(b);
+
+		assert c["random"] == 1, "dictionary.concat() clashing keys failed";
+	}
+
 	//test string concat
 	{
 		var a = "foo";