diff --git a/.gitattributes b/.gitattributes
index 730a247..8abc5e3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -36,6 +36,8 @@ icons/layout_full.gif -text
 icons/layout_full.png -text
 icons/layout_full_original.gif -text
 icons/layout_full_original.png -text
+icons/mask.png -text
+icons/mask_small.png -text
 icons/measure_angle.jpg -text
 icons/measure_angle_original.jpg -text
 icons/measure_line.png -text
diff --git a/icons/mask.png b/icons/mask.png
new file mode 100644
index 0000000..424a395
Binary files /dev/null and b/icons/mask.png differ
diff --git a/icons/mask_small.png b/icons/mask_small.png
new file mode 100644
index 0000000..343fbb9
Binary files /dev/null and b/icons/mask_small.png differ
--
libgit2 0.21.2