diff --git a/treap.hpp b/treap.hpp
index e4636f5..2c7fbf7 100644
--- a/treap.hpp
+++ b/treap.hpp
@@ -1,6 +1,7 @@
 #include <string>
 #include <cstdlib>
 #include <utility>
+#include <iostream>
 
 using std::string;
 typedef unsigned long long count_type;
@@ -91,11 +92,10 @@ public:
 	}
 	void clear() {
 		while(size() > 0) {
-			auto two = split(root, 0);
+			auto two = split(root, 1);
 			root = two.second;
 			delete two.first;
 		}
-		root = nullptr;
 	}
 
 	// Line insert