1 files changed, 2 insertions, 7 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 09cb4d1..ade22c9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -18,19 +18,14 @@ static void perft(int argc, char *argv[]) {
     exit(1);
   }
 
-  int depth = -1;
+  uint32_t depth = 0;
   try {
-    depth = std::stoi(argv[2]);
+    depth = static_cast<uint32_t>(std::stoi(argv[2]));
   } catch (const std::exception &) {
     std::cout << "info string usage: ./mono perft <non-negative depth>\n";
     exit(1);
   }
 
-  if (depth < 0) {
-    std::cout << "info string usage: ./mono perft <non-negative depth>\n";
-    exit(1);
-  }
-
   std::string fen = argv[3];
 
   auto start = std::chrono::steady_clock::now();