diff --git a/bitbake/lib/bb/tests/fetch.py b/bitbake/lib/bb/tests/fetch.py
index 0fd2c02163..5a8d892855 100644
--- a/bitbake/lib/bb/tests/fetch.py
+++ b/bitbake/lib/bb/tests/fetch.py
@@ -793,6 +793,7 @@ class FetchLatestVersionTest(FetcherTest):
                 ud = bb.fetch2.FetchData(k[1], self.d)
                 pupver= ud.method.latest_versionstring(ud, self.d)
                 verstring = pupver[0]
+                self.assertTrue(verstring, msg="Could not find upstream version")
                 r = bb.utils.vercmp_string(v, verstring)
                 self.assertTrue(r == -1 or r == 0, msg="Package %s, version: %s <= %s" % (k[0], v, verstring))
 
@@ -804,6 +805,7 @@ class FetchLatestVersionTest(FetcherTest):
                 ud = bb.fetch2.FetchData(k[1], self.d)
                 pupver = ud.method.latest_versionstring(ud, self.d)
                 verstring = pupver[0]
+                self.assertTrue(verstring, msg="Could not find upstream version")
                 r = bb.utils.vercmp_string(v, verstring)
                 self.assertTrue(r == -1 or r == 0, msg="Package %s, version: %s <= %s" % (k[0], v, verstring))