diff --git a/src/stylesheet.rs b/src/stylesheet.rs
index dfb7d74..3fb6e0b 100644
--- a/src/stylesheet.rs
+++ b/src/stylesheet.rs
@@ -295,7 +295,7 @@ impl<'a> StyleSheetParser<'a> {
                 },
                 '&' => {
                     return Err(
-                        ("Base-level rules cannot contain the parent-selector-referencing character '&'.", self.lexer.next().unwrap().pos()).into(),
+                        ("Top-level selectors may not contain the parent selector \"&\".", self.lexer.next().unwrap().pos()).into(),
                     )
                 }
                 c if c.is_control() => {
diff --git a/tests/error.rs b/tests/error.rs
index 72d8124..7b6872d 100644
--- a/tests/error.rs
+++ b/tests/error.rs
@@ -123,6 +123,8 @@ error!(
     "#{", "Error: expected \"}\"."
 );
 error!(toplevel_hash, "#", "Error: expected \"{\".");
+error!(toplevel_at, "@", "Error: Expected identifier.");
+error!(toplevel_ampersand, "& {}", "Error: Top-level selectors may not contain the parent selector \"&\".");
 error!(toplevel_backslash, "\\", "Error: expected \"}\".");
 error!(toplevel_var_no_colon, "$r", "Error: expected \":\".");
 error!(bar_in_value, "a {color: a|b;}", "Error: expected \";\".");