diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index c2049ff21..482c1cf49 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3501,7 +3501,7 @@ bool FurnaceGUI::loop() {
     drawPattern();
     drawSettings();
 
-    if (ImGuiFileDialog::Instance()->Display("FileDialog")) {
+    if (ImGuiFileDialog::Instance()->Display("FileDialog",ImGuiWindowFlags_NoCollapse,ImVec2(600.0f*dpiScale,400.0f*dpiScale))) {
       if (ImGuiFileDialog::Instance()->IsOk()) {
         fileName=ImGuiFileDialog::Instance()->GetFilePathName();
         if (fileName!="") {