diff --git a/lib/bb/tests/fetch.py b/lib/bb/tests/fetch.py
index 2891cf9e5..a1d9f4e61 100644
--- a/lib/bb/tests/fetch.py
+++ b/lib/bb/tests/fetch.py
@@ -2350,6 +2350,18 @@ class GitShallowFastTest(GitShallowBaseTest, FetcherTest):
     def test_shallow_clone_preferred_over_shallow(self):
         super().test_shallow_clone_preferred_over_shallow(fast=True)
 
+    def test_shallow_fast_check_is_shallow(self):
+        self.add_empty_file('a')
+        self.add_empty_file('b')
+
+        # Fetch and unpack without the clonedir and *only* shallow tarball available
+        bb.utils.remove(self.gitdir, recurse=True)
+        fetcher, ud = self.fetch_and_unpack()
+
+        # The unpacked tree *should* be shallow
+        self.assertRevCount(1)
+        assert os.path.exists(os.path.join(self.gitdir, '.git', 'shallow'))
+
 class GitLfsTest(FetcherTest):
     def skipIfNoGitLFS():
         import shutil