diff --git a/src/slic3r/GUI/DeviceCore/DevMapping.cpp b/src/slic3r/GUI/DeviceCore/DevMapping.cpp
index 356574564a..b20c4cccf0 100644
--- a/src/slic3r/GUI/DeviceCore/DevMapping.cpp
+++ b/src/slic3r/GUI/DeviceCore/DevMapping.cpp
@@ -9,6 +9,7 @@
 #include <vector>
 #include <string>
 #include <utility>
+#include <wx/app.h>
 #include <wx/colour.h>
 #include <set>
 #include "slic3r/GUI/DeviceCore/DevDefs.h"
diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 381e1d6bc3..bb23bcb68c 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -37,6 +37,7 @@
 #include "BackgroundSlicingProcess.hpp"   // complete type for background_process().get_current_gcode_result()
 #include "DeviceCore/DevStorage.h"
 
+#include <wx/app.h>
 #include <wx/event.h>
 #include <string>
 #include "libslic3r/PrintConfig.hpp"
diff --git a/src/slic3r/GUI/SyncAmsInfoDialog.cpp b/src/slic3r/GUI/SyncAmsInfoDialog.cpp
index 1162461495..c26eff2572 100644
--- a/src/slic3r/GUI/SyncAmsInfoDialog.cpp
+++ b/src/slic3r/GUI/SyncAmsInfoDialog.cpp
@@ -37,6 +37,7 @@
 #include <vector>
 #include <wx/anybutton.h>
 #include <wx/animate.h>
+#include <wx/app.h>
 #include <wx/busycursor.h>
 #include <wx/chartype.h>
 #include <wx/arrstr.h>