diff --git a/common/test.py b/common/test.py
index f2e7dd7..842f4e7 100644
--- a/common/test.py
+++ b/common/test.py
@@ -61,7 +61,7 @@
 
 
 def rand_name(name=''):
-    randbits = str(random.randint(1, 0x7fffffff))
+    randbits = six.text_type(random.randint(1, 0x7fffffff))
     if name:
         return name + '-' + randbits
     else: