diff --git a/editor/editor_resource_picker.cpp b/editor/editor_resource_picker.cpp
index 19c8ff2d9ec..78ed71400c8 100644
--- a/editor/editor_resource_picker.cpp
+++ b/editor/editor_resource_picker.cpp
@@ -108,7 +108,7 @@ void EditorResourcePicker::_update_resource_preview(const String &p_path, const
 				preview_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
 				int thumbnail_size = EditorSettings::get_singleton()->get("filesystem/file_dialog/thumbnail_size");
 				thumbnail_size *= EDSCALE;
-				assign_button->set_custom_minimum_size(Size2(MIN(1, assign_button_min_size.x), MIN(thumbnail_size, assign_button_min_size.y)));
+				assign_button->set_custom_minimum_size(Size2(MAX(1, assign_button_min_size.x), MAX(thumbnail_size, assign_button_min_size.y)));
 			}
 
 			preview_rect->set_texture(p_preview);