diff --git a/src/libslic3r/GCode/FindReplace.cpp b/src/libslic3r/GCode/FindReplace.cpp
index ee21a249ab..334bd740ea 100644
--- a/src/libslic3r/GCode/FindReplace.cpp
+++ b/src/libslic3r/GCode/FindReplace.cpp
@@ -2,6 +2,7 @@
 #include "../Utils.hpp"
 
 #include <cctype> // isalpha
+#include <boost/algorithm/string/replace.hpp>
 
 namespace Slic3r {