diff --git a/tests/test_display.rs b/tests/test_display.rs
index 89bdc4a..7fad386 100644
--- a/tests/test_display.rs
+++ b/tests/test_display.rs
@@ -318,6 +318,15 @@ fn test_keyword() {
     assert("error: 1", Error);
 }
 
+#[test]
+fn test_self() {
+    #[derive(Error, Debug)]
+    #[error("error: {self:?}")]
+    struct Error;
+
+    assert("error: Error", Error);
+}
+
 #[test]
 fn test_str_special_chars() {
     #[derive(Error, Debug)]