diff --git a/src/osgText/Font.cpp b/src/osgText/Font.cpp
index 908f3e07a..ccb027c0a 100644
--- a/src/osgText/Font.cpp
+++ b/src/osgText/Font.cpp
@@ -352,7 +352,7 @@ void Font::GlyphTexture::addGlyph(Glyph* glyph, int posX, int posY)
     // set up the details of where to place glyph's image in the texture.
     glyph->setTexture(this);
     glyph->setTexturePosition(posX,posY);
-    glyph->setMinTexCoord(osg::Vec2((float)(posX+_margin)/(float)(getTextureWidth()-1),(float)(posY+_margin)/(float)(getTextureHeight()-1)));
+    glyph->setMinTexCoord(osg::Vec2((float)(posX+_margin-1)/(float)(getTextureWidth()-1),(float)(posY+_margin-1)/(float)(getTextureHeight()-1)));
     glyph->setMaxTexCoord(osg::Vec2((float)(posX+glyph->s()-_margin)/(float)(getTextureWidth()-1),(float)(posY+glyph->t()-_margin)/(float)(getTextureHeight()-1)));
 }