diff --git a/src/protocol/tests/utils.rs b/src/protocol/tests/utils.rs
index 0fc4005a2dc6edf5c69523ee351d28dace6724a1..8ee104fec54e1c6076614eabee40a92c987b1f5d 100644
--- a/src/protocol/tests/utils.rs
+++ b/src/protocol/tests/utils.rs
@@ -59,7 +59,7 @@ impl Tester {
     }
 
     pub(crate) fn compile(self) -> AstTesterResult {
-        let mut parser = Parser::new().unwrap();
+        let mut parser = Parser::new(None).unwrap();
 
         for source in self.sources.into_iter() {
             let source = source.into_bytes();