diff --git a/graph/hopcroft_karp.cpp b/graph/hopcroft_karp.cpp
index 608897c63..736ebd386 100644
--- a/graph/hopcroft_karp.cpp
+++ b/graph/hopcroft_karp.cpp
@@ -226,8 +226,7 @@ BGraph::BGraph():NIL(0),INF(INT_MAX)
 
 // Constructor for initialization
 BGraph::BGraph(int m, int n):NIL(0),INF(INT_MAX)
-{   
-    this->BGraph();
+{
     this->m = m;
     this->n = n;
     adj = std::vector<std::list<int> >(m + 1);