diff --git a/svg/bone_half.toml b/svg/bone_half.toml
index 28cb52f..dd86488 100644
--- a/svg/bone_half.toml
+++ b/svg/bone_half.toml
@@ -18,4 +18,4 @@ always_be_nested = false
 
 # be nested inside another symbol's nesting area.
 
-never_be_nested = false
\ No newline at end of file
+never_be_nested = true
\ No newline at end of file