diff --git a/lib/swt.pro b/lib/swt.pro
index 7e5512a0..bd109b10 100644
--- a/lib/swt.pro
+++ b/lib/swt.pro
@@ -65,6 +65,7 @@
  }
 -keepclassmembers class org.eclipse.swt.widgets.Control {
    *** regionToRects(...);
+   *** enterNotifyEventProc(...);
  }
 -keepclassmembers class org.eclipse.swt.widgets.Display {
    *** *Proc(...);