diff --git a/main.cpp b/main.cpp
index df443ee..78a8478 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,3 +1,5 @@
+#include <curl/curl.h>
+
 #include <iostream>
 #include <vector>
 #include "histogram.h"
@@ -41,6 +43,7 @@ Input input_data(istream& in, bool prompt = true) {  // 
 
 int main()
 {
+    curl_global_init(CURL_GLOBAL_ALL);
     size_t max_count;
     auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);