diff --git a/src/utils/read_until.rs b/src/utils/read_until.rs
index e1dac0f..5eb4505 100644
--- a/src/utils/read_until.rs
+++ b/src/utils/read_until.rs
@@ -259,7 +259,7 @@ pub(crate) fn read_until_closing_square_brace(
                 continue;
             }
             '\\' => {
-                t.push(toks.next().unwrap());
+                t.push(tok);
                 t.push(match toks.next() {
                     Some(tok) => tok,
                     None => continue,
diff --git a/tests/error.rs b/tests/error.rs
index ffa3fc1..997d9c2 100644
--- a/tests/error.rs
+++ b/tests/error.rs
@@ -245,4 +245,11 @@ error!(
     "a {foo: {bar: red", "Error: Expected identifier."
 );
 error!(toplevel_nullbyte, "\u{0}", "Error: expected selector.");
-error!(double_escaped_bang_at_toplevel, "\\!\\!", "Error: expected \"{\".");
+error!(
+    double_escaped_bang_at_toplevel,
+    "\\!\\!", "Error: expected \"{\"."
+);
+error!(
+    nothing_after_escape_inside_brackets,
+    "a { color: [\\", "Error: expected \"]\"."
+);