diff --git a/tests/scryer/helper.rs b/tests/scryer/helper.rs
index 84d59cb5..baa057d0 100644
--- a/tests/scryer/helper.rs
+++ b/tests/scryer/helper.rs
@@ -77,6 +77,7 @@ pub fn run_top_level_test_with_args<
 ) {
     Command::cargo_bin(SCRYER_PROLOG)
         .unwrap()
+        .arg("-f")
         .args(args)
         .write_stdin(stdin)
         .assert()