diff --git a/svg/window.toml b/svg/window.toml
index 9b7e963..11fe07f 100644
--- a/svg/window.toml
+++ b/svg/window.toml
@@ -18,4 +18,4 @@ always_be_nested = false
 
 # symbol’s nesting area should have its colors inverted.
 
-invert_nested = false
\ No newline at end of file
+invert_nested = true
\ No newline at end of file