diff --git a/rust/ql/test/query-tests/security/CWE-327/WeakSensitiveDataHashing/test.rs b/rust/ql/test/query-tests/security/CWE-327/WeakSensitiveDataHashing/test.rs
index ff1c0e9c85f..d55305c7745 100644
--- a/rust/ql/test/query-tests/security/CWE-327/WeakSensitiveDataHashing/test.rs
+++ b/rust/ql/test/query-tests/security/CWE-327/WeakSensitiveDataHashing/test.rs
@@ -165,7 +165,7 @@ struct Seed {
 }
 
 impl Seed {
-    fn new(seed_value: u64) -> Self {
+    fn new(_seed_value: u64) -> Self {
         Seed { }
     }
 }