diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index 13da74bca567..b694520f5682 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -1096,7 +1096,7 @@ static sal_uInt32 getGlyph2(const sal_uInt8 *cmap, const sal_uInt32 nMaxCmapSize
             sal_uInt16* const pGlyph = (&(subHeader2s[0].idRangeOffset))
                      + (Int16FromMOTA(subHeader2s[0].idRangeOffset)/2)             /* + offset        */
                      + theLowByte                                                  /* + to_look       */
-                     - Int16FromMOTA(subHeader2s[0].firstCode)
+                     - firstCode
                      ;
             if (reinterpret_cast<sal_uInt8*>(pGlyph) - cmap < int(nMaxCmapSize) - 4)
                 return *pGlyph;