diff --git a/src/slic3r/GUI/WebViewDialog.cpp b/src/slic3r/GUI/WebViewDialog.cpp
index ea4d4d0dce..7a2d9225fb 100644
--- a/src/slic3r/GUI/WebViewDialog.cpp
+++ b/src/slic3r/GUI/WebViewDialog.cpp
@@ -7,6 +7,8 @@
 #include "libslic3r_version.h"
 #include "../Utils/Http.hpp"
 
+#include <regex>
+
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/json_parser.hpp>