diff --git a/xs/src/slic3r/GUI/MsgDialog.cpp b/xs/src/slic3r/GUI/MsgDialog.cpp
index 532960cfc9..6fba47a37f 100644
--- a/xs/src/slic3r/GUI/MsgDialog.cpp
+++ b/xs/src/slic3r/GUI/MsgDialog.cpp
@@ -61,7 +61,7 @@ MsgDialog::~MsgDialog() {}
 // ErrorDialog
 
 ErrorDialog::ErrorDialog(wxWindow *parent, const wxString &msg) :
-	MsgDialog(parent, _(L("Slic3r error")), _(L("Slic3r has encountered an error")), wxBitmap(from_u8(Slic3r::var("Slic3r_192px_grayscale.png"))))
+	MsgDialog(parent, _(L("Slic3r error")), _(L("Slic3r has encountered an error")), wxBitmap(from_u8(Slic3r::var("Slic3r_192px_grayscale.png")), wxBITMAP_TYPE_PNG))
 {
 	auto *panel = new wxScrolledWindow(this);
 	auto *p_sizer = new wxBoxSizer(wxVERTICAL);
diff --git a/xs/src/slic3r/GUI/UpdateDialogs.cpp b/xs/src/slic3r/GUI/UpdateDialogs.cpp
index 33c9c0c286..70d9c851c0 100644
--- a/xs/src/slic3r/GUI/UpdateDialogs.cpp
+++ b/xs/src/slic3r/GUI/UpdateDialogs.cpp
@@ -105,7 +105,7 @@ MsgUpdateConfig::~MsgUpdateConfig() {}
 // MsgDataIncompatible
 
 MsgDataIncompatible::MsgDataIncompatible(const std::unordered_map<std::string, wxString> &incompats) :
-	MsgDialog(nullptr, _(L("Slic3r incompatibility")), _(L("Slic3r configuration is incompatible")), wxBitmap(from_u8(Slic3r::var("Slic3r_192px_grayscale.png"))), wxID_NONE)
+	MsgDialog(nullptr, _(L("Slic3r incompatibility")), _(L("Slic3r configuration is incompatible")), wxBitmap(from_u8(Slic3r::var("Slic3r_192px_grayscale.png")), wxBITMAP_TYPE_PNG), wxID_NONE)
 {
 	auto *text = new wxStaticText(this, wxID_ANY, _(L(
 		"This version of Slic3r PE is not compatible with currently installed configuration bundles.\n"