diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
index 2c5850b6ad..3f543755b6 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
@@ -994,9 +994,7 @@ int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
 static inline bool areMetricsTooLarge(const QFontEngineFT::GlyphInfo &info)
 {
     // false if exceeds QFontEngineFT::Glyph metrics
-    return (short)(info.linearAdvance) != info.linearAdvance
-            || (uchar)(info.width) != info.width
-            || (uchar)(info.height) != info.height;
+    return info.width > 0xFF || info.height > 0xFF;
 }
 
 static inline void transformBoundingBox(int *left, int *top, int *right, int *bottom, FT_Matrix *matrix)
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
index c063f5df30..e98268ae4b 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
@@ -133,7 +133,7 @@ public:
     /* we don't cache glyphs that are too large anyway, so we can make this struct rather small */
     struct Glyph {
         ~Glyph();
-        short linearAdvance;
+        int linearAdvance : 22;
         unsigned char width;
         unsigned char height;
         short x;