diff --git a/libs/canvas/canvas.cc b/libs/canvas/canvas.cc
index 975dcf84ef..f59640618c 100644
--- a/libs/canvas/canvas.cc
+++ b/libs/canvas/canvas.cc
@@ -32,6 +32,7 @@
 #include "pbd/stacktrace.h"
 
 #include "canvas/canvas.h"
+#include "canvas/colors.h"
 #include "canvas/debug.h"
 #include "canvas/line.h"
 #include "canvas/scroll_group.h"