diff --git a/tests/extmod/ure1.py b/tests/extmod/ure1.py
index b5edeeace3..a867f17515 100644
--- a/tests/extmod/ure1.py
+++ b/tests/extmod/ure1.py
@@ -72,6 +72,11 @@ m = re.match('^ab$', 'ab'); print(m.group(0))
 m = re.match('a|b', 'b');   print(m.group(0))
 m = re.match('a|b|c', 'c'); print(m.group(0))
 
+# Case where anchors fail to match
+r = re.compile("^b|b$")
+m = r.search("abc")
+print(m)
+
 try:
     re.compile("*")
 except: