diff --git a/lib/spack/spack/test/concretization/core.py b/lib/spack/spack/test/concretization/core.py
index 3b125cbbf34..6e0f08027d8 100644
--- a/lib/spack/spack/test/concretization/core.py
+++ b/lib/spack/spack/test/concretization/core.py
@@ -1486,8 +1486,8 @@ def test_reuse_by_namespace(self, mutable_database, mock_packages):
         # Expected behavior same as second concretization
         spack.config.set("concretizer:reuse", {"namespaces": ["foobar"]})
         noreuse = spack.concretize.concretize_one("libelf")
-        assert noreuse.installed
-        assert noreuse.satisfies("@0.8.13")
+        assert not noreuse.installed
+        assert noreuse.satisfies("@0.8.10")
 
     def test_reuse_with_flags(self, mutable_database, mutable_config):
         spack.config.set("concretizer:reuse", True)