diff --git a/include/algorithm/roditty_zwick.h b/include/algorithm/roditty_zwick.h
index e6f1b67..fb00aef 100644
--- a/include/algorithm/roditty_zwick.h
+++ b/include/algorithm/roditty_zwick.h
@@ -18,7 +18,7 @@ public:
   void init() override;
 
   //
-  void findSCC();
+  void findSCC(graph::Digraph<T> G);
 
   // Return true if u and v are in the same SCC
   bool query(const T& u, const T& v) override;
@@ -44,12 +44,12 @@ private:
 
 template<typename T>
 void RodittyZwick<T>::init() {
-  findSCC();
+  findSCC(this->G);
 }
 
 template<typename T>
-void RodittyZwick<T>::findSCC() {
-  auto SCCs = Tarjan<T>(this->G.adjList).execute();
+void RodittyZwick<T>::findSCC(graph::Digraph<T> G) {
+  auto SCCs = Tarjan<T>(G.adjList).execute();
   
   for (auto& SCC : SCCs) {
     const auto& w = SCC.id;
@@ -95,7 +95,7 @@ void RodittyZwick<T>::remove(const T& u, const T& v) {
 
   // If a SCC is broken, compute all SCCs again
   if (!In[w].adjList.count(u) || !Out[w].adjList.count(v))
-    findSCC();
+    findSCC(C[w]);
 }
 
 }; // namespace algo