diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index bcfb9ad39..7d37baa66 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -105,7 +105,7 @@ static void register_dpi_event()
         const auto rect = reinterpret_cast<PRECT>(lParam);
         const wxRect wxrect(wxPoint(rect->top, rect->left), wxPoint(rect->bottom, rect->right));
 
-        DpiChangedEvent evt(EVT_DPI_CHANGED, dpi, wxrect);
+        DpiChangedEvent evt(EVT_DPI_CHANGED_SLICER, dpi, wxrect);
         win->GetEventHandler()->AddPendingEvent(evt);
 
         return true;
diff --git a/src/slic3r/GUI/GUI_Utils.cpp b/src/slic3r/GUI/GUI_Utils.cpp
index d5753f2cc..5090382ce 100644
--- a/src/slic3r/GUI/GUI_Utils.cpp
+++ b/src/slic3r/GUI/GUI_Utils.cpp
@@ -55,7 +55,7 @@ void on_window_geometry(wxTopLevelWindow *tlw, std::function<void()> callback)
 #endif
 }
 
-wxDEFINE_EVENT(EVT_DPI_CHANGED, DpiChangedEvent);
+wxDEFINE_EVENT(EVT_DPI_CHANGED_SLICER, DpiChangedEvent);
 
 #ifdef _WIN32
 template<class F> typename F::FN winapi_get_function(const wchar_t *dll, const char *fn_name) {
diff --git a/src/slic3r/GUI/GUI_Utils.hpp b/src/slic3r/GUI/GUI_Utils.hpp
index c47714e46..f7bebd577 100644
--- a/src/slic3r/GUI/GUI_Utils.hpp
+++ b/src/slic3r/GUI/GUI_Utils.hpp
@@ -50,7 +50,7 @@ struct DpiChangedEvent : public wxEvent {
     }
 };
 
-wxDECLARE_EVENT(EVT_DPI_CHANGED, DpiChangedEvent);
+wxDECLARE_EVENT(EVT_DPI_CHANGED_SLICER, DpiChangedEvent);
 
 template<class P> class DPIAware : public P
 {
@@ -75,7 +75,7 @@ public:
 
 //        recalc_font();
 
-        this->Bind(EVT_DPI_CHANGED, [this](const DpiChangedEvent &evt) {
+        this->Bind(EVT_DPI_CHANGED_SLICER, [this](const DpiChangedEvent &evt) {
             m_scale_factor = (float)evt.dpi / (float)DPI_DEFAULT;
 
             m_new_font_point_size = get_default_font_for_dpi(evt.dpi).GetPointSize();