diff --git a/src/slic3r/GUI/StepMeshDialog.hpp b/src/slic3r/GUI/StepMeshDialog.hpp
index 48bff2adc..df2175d36 100644
--- a/src/slic3r/GUI/StepMeshDialog.hpp
+++ b/src/slic3r/GUI/StepMeshDialog.hpp
@@ -1,6 +1,7 @@
 #ifndef _STEP_MESH_DIALOG_H_
 #define _STEP_MESH_DIALOG_H_
 
+#include <future>
 #include <thread>
 #include "GUI_Utils.hpp"
 #include "libslic3r/Format/STEP.hpp"
@@ -44,4 +45,4 @@ private:
     void stop_task();
 };
 
-#endif  // _STEP_MESH_DIALOG_H_
\ No newline at end of file
+#endif  // _STEP_MESH_DIALOG_H_