diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs
index 2ad1b39a87c..0a290a697e6 100644
--- a/src/bootstrap/src/core/build_steps/test.rs
+++ b/src/bootstrap/src/core/build_steps/test.rs
@@ -1725,6 +1725,11 @@ fn run(self, builder: &Builder<'_>) {
         cmd.arg("--run-lib-path").arg(builder.sysroot_libdir(compiler, target));
         cmd.arg("--rustc-path").arg(builder.rustc(compiler));
 
+        // Minicore auxiliary lib for `no_core` tests that need `core` stubs in cross-compilation
+        // scenarios.
+        cmd.arg("--minicore-path")
+            .arg(builder.src.join("tests").join("auxiliary").join("minicore.rs"));
+
         let is_rustdoc = suite.ends_with("rustdoc-ui") || suite.ends_with("rustdoc-js");
 
         if mode == "run-make" {