diff --git a/svg/impossible_triangle.toml b/svg/impossible_triangle.toml
index 1ba74a3..c49ebdd 100644
--- a/svg/impossible_triangle.toml
+++ b/svg/impossible_triangle.toml
@@ -10,4 +10,4 @@ always_nest = false
 
 # be nested inside another symbol's nesting area.
 
-always_be_nested = false
\ No newline at end of file
+always_be_nested = true
\ No newline at end of file