diff --git a/src/gui/text/qplatformfontdatabase.h b/src/gui/text/qplatformfontdatabase.h
index 8527e7b39c..a5e65086a8 100644
--- a/src/gui/text/qplatformfontdatabase.h
+++ b/src/gui/text/qplatformfontdatabase.h
@@ -25,7 +25,7 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_DECLARE_LOGGING_CATEGORY(lcQpaFonts)
+Q_DECLARE_EXPORTED_LOGGING_CATEGORY(lcQpaFonts, Q_GUI_EXPORT)
 
 class QWritingSystemsPrivate;