diff --git a/src/tools/eterm/eterm.cpp b/src/tools/eterm/eterm.cpp
index 9cd45f67d..68e46668e 100644
--- a/src/tools/eterm/eterm.cpp
+++ b/src/tools/eterm/eterm.cpp
@@ -280,12 +280,12 @@ EE_MAIN_FUNC int main( int argc, char* argv[] ) {
 	defaultResourceScope().getFontService().setAntialiasing( fontAntialiasing.Get() );
 
 	Sizei winSize( width.Get(), height.Get() );
+	auto displaySize( currentDisplay->getUsableBounds().getSize() );
+	if ( displaySize.getWidth() > 0 && winSize.getWidth() >= displaySize.getWidth() )
+		winSize.setWidth( static_cast<int>( displaySize.getWidth() * 0.8 ) );
 
-	if ( winSize.getWidth() >= currentDisplay->getBounds().getWidth() )
-		winSize.setWidth( static_cast<int>( currentDisplay->getBounds().getWidth() * 0.8 ) );
-
-	if ( winSize.getHeight() >= currentDisplay->getBounds().getHeight() )
-		winSize.setHeight( static_cast<int>( currentDisplay->getBounds().getHeight() * 0.75 ) );
+	if ( displaySize.getHeight() > 0 && winSize.getHeight() >= displaySize.getHeight() )
+		winSize.setHeight( static_cast<int>( displaySize.getHeight() * 0.75 ) );
 
 	win = Engine::instance()->createWindow(
 		WindowSettings( winSize.getWidth(), winSize.getHeight(), "eterm", WindowStyle::Default,