diff --git a/libs/canvas/wscript b/libs/canvas/wscript
index fa6dabb080..6294fe0d05 100644
--- a/libs/canvas/wscript
+++ b/libs/canvas/wscript
@@ -42,6 +42,7 @@ canvas_sources = [
         'fill.cc',
         'flag.cc',
         'framed_curve.cc',
+        'grid.cc',
         'image.cc',
         'line.cc',
         'line_set.cc',