1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index 5570768ddb..5f779e155a 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -291,7 +291,7 @@ private:
     struct GlyphCacheEntry {
         void *context;
         QExplicitlySharedDataPointer<QFontEngineGlyphCache> cache;
-        bool operator==(const GlyphCacheEntry &other) { return context == other.context && cache == other.cache; }
+        bool operator==(const GlyphCacheEntry &other) const { return context == other.context && cache == other.cache; }
     };
 
     mutable QLinkedList<GlyphCacheEntry> m_glyphCaches;