diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 55d25e459e..151043a04f 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -12,6 +12,7 @@
 #include <string>
 #include <string_view>
 #include <vector>
+#include <float.h>
 #include "libslic3r.h"
 #include "clonable_ptr.hpp"
 #include "Exception.hpp"