diff --git a/tests/py_vectors.rs b/tests/py_vectors.rs
index 810bafd..996c145 100644
--- a/tests/py_vectors.rs
+++ b/tests/py_vectors.rs
@@ -103,7 +103,7 @@ fn vector_slh_dsa_shake_192s() {
     assert_eq!(sig_act.len(), sig_exp.len());
     assert_eq!(sig_act, *sig_exp);
     let result = pk.try_verify_vt(&m, &sig_act).unwrap();
-    assert(result, "Signature did not verify!");
+    assert!(result, "Signature did not verify!");
 }
 
 
@@ -126,7 +126,7 @@ fn vector_slh_dsa_shake_192f() {
     assert_eq!(sig_act.len(), sig_exp.len());
     assert_eq!(sig_act, *sig_exp);
     let result = pk.try_verify_vt(&m, &sig_act).unwrap();
-    assert(result, "Signature did not verify!");
+    assert!(result, "Signature did not verify!");
 }
 
 
@@ -149,7 +149,7 @@ fn vector_slh_dsa_shake_256s() {
     assert_eq!(sig_act.len(), sig_exp.len());
     assert_eq!(sig_act, *sig_exp);
     let result = pk.try_verify_vt(&m, &sig_act).unwrap();
-    assert(result, "Signature did not verify!");
+    assert!(result, "Signature did not verify!");
 }