diff --git a/src/plugins/platforms/wayland/qwaylanddisplay_p.h b/src/plugins/platforms/wayland/qwaylanddisplay_p.h
index 12e3f413eed..818b5ba9048 100644
--- a/src/plugins/platforms/wayland/qwaylanddisplay_p.h
+++ b/src/plugins/platforms/wayland/qwaylanddisplay_p.h
@@ -252,7 +252,7 @@ private:
         QWaylandCursorTheme *theme() const noexcept
         { return found ? position->theme.get() : nullptr; }
     };
-    FindExistingCursorThemeResult findExistingCursorTheme(const QString &name, int pixelSize) const;
+    FindExistingCursorThemeResult findExistingCursorTheme(const QString &name, int pixelSize) const noexcept;
 
     QScopedPointer<QWaylandCursor> mCursor;
 #endif