diff --git a/gfx/src/windows/nsFontMetricsWin.cpp b/gfx/src/windows/nsFontMetricsWin.cpp
index 2cac7a1cd635..6c9e9c81db2a 100644
--- a/gfx/src/windows/nsFontMetricsWin.cpp
+++ b/gfx/src/windows/nsFontMetricsWin.cpp
@@ -1920,7 +1920,9 @@ nsFontMetricsWin::LoadGlobalFont(HDC aDC, nsGlobalFont* aGlobalFontItem)
   LOGFONT logFont;
   HFONT hfont;
 
-  FillLogFont(&logFont, aGlobalFontItem->logFont.lfWeight);
+  PRUint16 weightTable = LookForFontWeightTable(aDC, aGlobalFontItem->name);
+  PRInt32 weight = GetFontWeight(mFont->weight, weightTable);
+  FillLogFont(&logFont, weight);
   logFont.lfCharSet = aGlobalFontItem->logFont.lfCharSet;
   logFont.lfPitchAndFamily = aGlobalFontItem->logFont.lfPitchAndFamily;
   strcpy(logFont.lfFaceName, aGlobalFontItem->logFont.lfFaceName);;
@@ -4171,7 +4173,9 @@ nsFontMetricsWinA::LoadGlobalFont(HDC aDC, nsGlobalFont* aGlobalFontItem)
   LOGFONT logFont;
   HFONT hfont;
 
-  FillLogFont(&logFont, aGlobalFontItem->logFont.lfWeight);
+  PRUint16 weightTable = LookForFontWeightTable(aDC, aGlobalFontItem->name);
+  PRInt32 weight = GetFontWeight(mFont->weight, weightTable);
+  FillLogFont(&logFont, weight);
   logFont.lfCharSet = aGlobalFontItem->logFont.lfCharSet;
   logFont.lfPitchAndFamily = aGlobalFontItem->logFont.lfPitchAndFamily;
   strcpy(logFont.lfFaceName, aGlobalFontItem->logFont.lfFaceName);;