diff --git a/source/blender/makesdna/DNA_brush_defaults.h b/source/blender/makesdna/DNA_brush_defaults.h
index 8d5ae6f292e..881c497584e 100644
--- a/source/blender/makesdna/DNA_brush_defaults.h
+++ b/source/blender/makesdna/DNA_brush_defaults.h
@@ -87,6 +87,8 @@
  \
     .stencil_pos = {256, 256}, \
     .stencil_dimension = {256, 256}, \
+    .mask_stencil_pos = {256, 256}, \
+    .mask_stencil_dimension = {256, 256}, \
  \
     /* sculpting defaults to the draw brush for new brushes */ \
     .sculpt_brush_type = SCULPT_BRUSH_TYPE_DRAW, \