diff --git a/Alpha_shapes_2/demo/Alpha_shapes_2/CMakeLists.txt b/Alpha_shapes_2/demo/Alpha_shapes_2/CMakeLists.txt
index a772d1ea047..e0ec161e001 100644
--- a/Alpha_shapes_2/demo/Alpha_shapes_2/CMakeLists.txt
+++ b/Alpha_shapes_2/demo/Alpha_shapes_2/CMakeLists.txt
@@ -26,4 +26,8 @@ add_executable  ( alpha_shapes_2
 		  Qt_widget_toolbar.cpp Qt_widget_toolbar.moc 
 		  Qt_widget_toolbar_layers.cpp Qt_widget_toolbar_layers.moc )
 
-
+if ( AUTO_LINK_ENABLED )    
+  target_link_libraries( alpha_shapes_2 ${CGAL_3RD_PARTY_LIBRARIES} )
+else()
+  target_link_libraries( alpha_shapes_2 ${CGAL_3RD_PARTY_LIBRARIES} ${CGAL_LIBRARIES} )
+endif()