diff --git a/tests/console/include/common_functions_60.py b/tests/console/include/common_functions_60.py
index 6869a11c71..d41fddee8e 100644
--- a/tests/console/include/common_functions_60.py
+++ b/tests/console/include/common_functions_60.py
@@ -8,7 +8,7 @@ import random
 import string
 
 def gen_random_string(size,preffix=None):
-	random_string =  ''.join(random.SystemRandom().choice(string.ascii_uppercase string.digits) for _ in range(size))
+	random_string =  ''.join(random.SystemRandom().choice(string.ascii_uppercase+string.digits) for _ in range(size))
 	if preffix:
 		return preffix+random_string
 	else: