diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs
index 531bcc4985ca..899cd9a34a7e 100644
--- a/src/bootstrap/src/core/build_steps/test.rs
+++ b/src/bootstrap/src/core/build_steps/test.rs
@@ -3159,7 +3159,7 @@ impl Step for TestHelpers {
             .opt_level(0)
             .warnings(false)
             .debug(false)
-            .flag("-g1")
+            .flag("-gline-tables-only")
             .file(builder.src.join("tests/auxiliary/rust_test_helpers.c"))
             .compile("rust_test_helpers");
     }