diff --git a/poppler/GfxFont.cc b/poppler/GfxFont.cc
index ea22af8..0fc6f22 100644
--- a/poppler/GfxFont.cc
+++ b/poppler/GfxFont.cc
@@ -2133,7 +2133,8 @@ int GfxCIDFont::getNextChar(char *s, int len, CharCode *code,
   } else {
     w = 0;
     h = widths.defHeight;
-    vx = widths.defWidth / 2;
+    // vx = ( fontBBox[2] - fontBBox[0] ) / 2;
+    vx = fontBBox[2] / 2;
     vy = widths.defVY;
     if (widths.nExcepsV > 0 && cid >= widths.excepsV[0].first) {
       a = 0;