diff --git a/tests/letstest/multitester.py b/tests/letstest/multitester.py
index 39f8739df..51edd2671 100644
--- a/tests/letstest/multitester.py
+++ b/tests/letstest/multitester.py
@@ -94,7 +94,7 @@ cl_args = parser.parse_args()
 # assumes naming: <key_filename> = <keyname>.pem
 KEYFILE = cl_args.key_file
 KEYNAME = os.path.split(cl_args.key_file)[1].split('.pem')[0]
-PROFILE = cl_args.aws_profile
+PROFILE = None if cl_args.aws_profile == 'SET_BY_ENV' else cl_args.aws_profile
 
 # Globals
 #-------------------------------------------------------------------------------