diff --git a/main.cpp b/main.cpp
index 56397f9..955dd7b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -51,6 +51,10 @@ int main(int argc, char* argv[]) {
             CURLcode res;
             curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
             res = curl_easy_perform(curl);
+            if (res!=CURLE_OK){
+                cerr << curl_easy_strerror(res);
+                exit(1);
+            }
             curl_easy_cleanup(curl);
             return 0;
         }