diff --git a/studio/setup.sh b/studio/setup.sh
index b5c60030c3..9b29def859 100755
--- a/studio/setup.sh
+++ b/studio/setup.sh
@@ -862,6 +862,10 @@ else
     # name-inferred arch). Implies --has-rocm on the installer side.
     if [ -n "${_setup_gfx:-}" ]; then
         _PREBUILT_CMD+=(--rocm-gfx "$_setup_gfx")
+    elif [ "$_setup_amd_detected" = true ]; then
+        # AMD was detected but gfx resolution failed; tell the installer ROCm is
+        # present so it can still attempt a prebuilt. Mirrors setup.ps1 behaviour.
+        _PREBUILT_CMD+=(--has-rocm)
     fi
     _PREBUILT_LOG="$(mktemp)"
     set +e
diff --git a/tests/studio/install/test_rocm_support.py b/tests/studio/install/test_rocm_support.py
index 5b6586f9c9..1d6e4f4c51 100644
--- a/tests/studio/install/test_rocm_support.py
+++ b/tests/studio/install/test_rocm_support.py
@@ -2682,6 +2682,13 @@ class TestRocmGfxForwarding:
         assert "--rocm-gfx" in source
         assert '"$_setup_gfx"' in source
 
+    def test_setup_sh_forwards_has_rocm(self):
+        # When AMD is detected but gfx resolution fails, setup.sh must still
+        # forward --has-rocm so the installer knows ROCm is present.
+        source = _SETUP_SH_PATH.read_text(encoding = "utf-8")
+        assert "--has-rocm" in source
+        assert "_setup_amd_detected" in source
+
     def test_setup_ps1_forwards_rocm_gfx(self):
         source = _SETUP_PS1_PATH.read_text(encoding = "utf-8")
         assert "--rocm-gfx" in source