diff --git a/tools/common/src/commoneditor.cpp b/tools/common/src/commoneditor.cpp
index 101324b..e3c320c 100755
--- a/tools/common/src/commoneditor.cpp
+++ b/tools/common/src/commoneditor.cpp
@@ -663,7 +663,7 @@ void CommonEditor::createDockArea() {
 
 void CommonEditor::drawViewport(Scene* scene) {
     const auto size = ImGui::GetContentRegionAvail();
-    const auto real_size = ImVec2(size.x * platform::get_monitor_dpi(), size.y * platform::get_monitor_dpi());
+    const auto real_size = ImVec2(static_cast<int>(size.x * platform::get_monitor_dpi()), static_cast<int>(size.y * platform::get_monitor_dpi()));
     
     if(real_size.x <= 0 || real_size.y <= 0)
         return;