diff --git a/src/gui/text/qfontsubset.cpp b/src/gui/text/qfontsubset.cpp
index fb12b681a4..67d69f499b 100644
--- a/src/gui/text/qfontsubset.cpp
+++ b/src/gui/text/qfontsubset.cpp
@@ -202,7 +202,7 @@ QVector<int> QFontSubset::getReverseMap() const
     QVector<int> reverseMap(0x10000, 0);
     for (uint uc = 0; uc < 0x10000; ++uc) {
         int idx = glyph_indices.indexOf(fontEngine->glyphIndex(uc));
-        if (idx >= 0 && !reverseMap.at(idx))
+        if (idx >= 0 && (!reverseMap.at(idx) || (reverseMap[idx] >= 0x2e80 && reverseMap[idx] <= 0x2fff)))
             reverseMap[idx] = uc;
     }
     return reverseMap;