1 files changed, 1 insertions, 1 deletions
diff --git a/askama_derive/src/input.rs b/askama_derive/src/input.rs
index 3b65640..6a54a99 100644
--- a/askama_derive/src/input.rs
+++ b/askama_derive/src/input.rs
@@ -155,7 +155,7 @@ impl<'a> TemplateInput<'a> {
                 config
                     .syntaxes
                     .get(&s)
-                    .expect(&format!("attribute syntax {} not exist", s))
+                    .unwrap_or_else(|| panic!("attribute syntax {} not exist", s))
             },
         );