diff --git a/util.d b/util.d
index fc02847..b4aa788 100644
--- a/util.d
+++ b/util.d
@@ -377,7 +377,7 @@ Push(K, V)(HashTable!(K, V)* ht, K key, V value)
 
 	if (ht.free_lists.first != ht.nil)
 	{
-		node = Pop(&ht.free_lists, ht.nil);
+		node = SLLPop(&ht.free_lists, ht.nil);
 	}
 	else
 	{
@@ -388,7 +388,7 @@ Push(K, V)(HashTable!(K, V)* ht, K key, V value)
 	node.value.key = key;
 	node.value.value = value;
 
-	Push(GetList(ht, key), node, ht.nil);
+	SLLPush(GetList(ht, key), node, ht.nil);
 
 	ht.node_count += 1;
 
@@ -928,4 +928,10 @@ unittest
 
 		assert(test_bytes[0 .. 96] == bytes[0 .. 96]);
 	}
+
+	{ // Hash Table
+		auto table = CreateHashTable!(u64, u64)(10);
+
+		table[100] = 100;
+	}
 }