diff --git a/main.cpp b/main.cpp
index 53a119f..78499de 100644
--- a/main.cpp
+++ b/main.cpp
@@ -45,6 +45,10 @@ main(int argc, char* argv[]) {
             curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
             res = curl_easy_perform(curl);
             curl_easy_cleanup(curl);
+            if (!res) {
+                curl_easy_strerror(res);
+                exit(1);
+            }
         }
         return 0;
     }