diff --git a/source/blender/compositor/operations/COM_ViewerOperation.cc b/source/blender/compositor/operations/COM_ViewerOperation.cc
index bc50b0dc374..0e9aa56bd06 100644
--- a/source/blender/compositor/operations/COM_ViewerOperation.cc
+++ b/source/blender/compositor/operations/COM_ViewerOperation.cc
@@ -7,6 +7,7 @@
 #include "BKE_scene.h"
 #include "COM_ExecutionSystem.h"
 
+#include "IMB_colormanagement.hh"
 #include "IMB_imbuf.hh"
 #include "IMB_imbuf_types.hh"