diff --git a/src/libslic3r/Config.cpp b/src/libslic3r/Config.cpp
index 2936e3176..e59022e79 100644
--- a/src/libslic3r/Config.cpp
+++ b/src/libslic3r/Config.cpp
@@ -8,6 +8,7 @@
 #include <fstream>
 #include <iostream>
 #include <iomanip>
+#include <regex>
 #include <boost/algorithm/string.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/erase.hpp>