diff --git a/tests/rustflags.rs b/tests/rustflags.rs
index 41e3887..ff971af 100644
--- a/tests/rustflags.rs
+++ b/tests/rustflags.rs
@@ -4,7 +4,7 @@ extern crate autocfg;
 /// rustc.
 #[test]
 fn test_with_sysroot() {
-    std::env::set_var("RUSTFLAGS", "-L target/debug/deps");
+    std::env::set_var("RUSTFLAGS", "-L target/debug/deps -L target/debug");
     std::env::set_var("OUT_DIR", "target");
     let ac = autocfg::AutoCfg::new().unwrap();
     assert!(ac.probe_sysroot_crate("autocfg"));