diff --git a/main.cpp b/main.cpp
index 492acbd..aac90af 100644
--- a/main.cpp
+++ b/main.cpp
@@ -44,8 +44,12 @@ input_data(istream& in, bool prompt) {
     }
 }
 
-int main()
-{
+int main(int argc, char* argv[]) {
+    if (argc>1){
+        cerr << argc;
+        cerr << argv[0];
+        return 0;
+    }
     curl_global_init(CURL_GLOBAL_ALL);
     auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);