diff --git a/libs/canvas/wscript b/libs/canvas/wscript
index 3052361feb..9503bfe3ec 100644
--- a/libs/canvas/wscript
+++ b/libs/canvas/wscript
@@ -34,6 +34,7 @@ canvas_sources = [
         'circle.cc',
         'curve.cc',
         'debug.cc',
+        'drag_handle.cc',
         'item.cc',
         'fill.cc',
         'flag.cc',