diff --git a/tests/studio/install/test_rocm_support.py b/tests/studio/install/test_rocm_support.py
index b003382859..97448edb2d 100644
--- a/tests/studio/install/test_rocm_support.py
+++ b/tests/studio/install/test_rocm_support.py
@@ -2242,6 +2242,11 @@ class TestInstallShStructure:
         family_fn = _extract_sh_function_body(source, "_amd_arch_index_family_for_gfx")
         assert fn and probe_fn and family_fn
         with tempfile.TemporaryDirectory() as d:
+            # Neutralise the host's real ROCm: the version chain reads
+            # /opt/rocm/.info/version directly (no tool to shim), which resolves
+            # a tag on a real ROCm box and skips the no-version endpoint under
+            # test. Same path-substitution technique as the KFD topology tests.
+            fn = fn.replace("/opt/rocm/.info/version", Path(d, "no-rocm-version").as_posix())
             with open(os.path.join(d, "uname"), "w", encoding = "utf-8", newline = "\n") as f:
                 f.write('#!/bin/sh\ncase "${1:-}" in -m) echo x86_64 ;; *) echo Linux ;; esac\n')
             # Silence every ROCm version source, not just amd-smi: a dev box with