diff --git a/main.cpp b/main.cpp
index 23c419b..f525514 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,7 @@
 #include "text.h"
 #include "svg.h"
 #include <string>
+#include <curl/curl.h>
 
 using namespace std;
 
@@ -43,7 +44,8 @@ input_data(istream& Newcin){
 
 int
 main() {
-auto in = input_data(cin);
+    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins, in.stroke, in.fill);
 }