diff --git a/cpp/src/main.cpp b/cpp/src/main.cpp
index 69872fd..b865c86 100644
--- a/cpp/src/main.cpp
+++ b/cpp/src/main.cpp
@@ -5,8 +5,8 @@
 
 int main(int argc, char* argv[]) {
     std::string pos =
-        "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
+        "r2q1rk1/pP1p2pp/Q4n2/bbp1p3/Np6/1B3NBn/pPPP1PPP/R3K2R b KQ - 0 5";
     // Board b = Board::setup_fen_position(pos);
-    perft(pos);
+    perft();
     return 0;
 }