diff --git a/src/utils.rs b/src/utils.rs
index 7d4494f..c32b246 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -189,7 +189,7 @@ mod tests {
 
     #[test]
     fn test_no_tokens() {
-        let result = format_template("plain text", &[]);
+        let result = format_template::<&'static str>("plain text", &[]);
         assert_eq!(result, "plain text");
     }