diff --git a/src/util/pattern.rs b/src/util/pattern.rs
index 877e08d..231113e 100644
--- a/src/util/pattern.rs
+++ b/src/util/pattern.rs
@@ -97,7 +97,7 @@ impl<'a> Pattern<'a> for Value {
     }
 }
 
-pub fn parse_line(v: Vec<String>) -> Result<Box<dyn Pattern<'_>>, ParseError> {
+pub fn parse_line<'a>(v: Vec<String>) -> Result<Box<dyn Pattern<'a>>, ParseError> {
     let res: Result<Box<dyn Pattern>, ParseError> = v.try_into();
     res
 }