diff --git a/code/nel/src/3d/computed_string.cpp b/code/nel/src/3d/computed_string.cpp
index 0c2cd48de..71ea58948 100644
--- a/code/nel/src/3d/computed_string.cpp
+++ b/code/nel/src/3d/computed_string.cpp
@@ -21,6 +21,7 @@
 #include "nel/3d/index_buffer.h"
 #include "nel/3d/material.h"
 #include "nel/3d/frustum.h"
+#include "nel/3d/viewport.h"
 
 #include "nel/misc/smart_ptr.h"
 #include "nel/misc/debug.h"
@@ -85,6 +86,10 @@ void CComputedString::render2D (IDriver& driver,
 	// get window size
 	uint32	wndWidth, wndHeight;
 	driver.getWindowSize(wndWidth, wndHeight);
+	CViewport vp;
+	driver.getViewport(vp);
+	wndWidth = (uint32)((float)wndWidth * vp.getWidth());
+	wndHeight = (uint32)((float)wndHeight * vp.getHeight());
 	// scale to window size.
 	x*= wndWidth;
 	z*= wndHeight;