diff --git a/lms/envs/aws.py b/lms/envs/aws.py
index 98c65e7cb4..7b8c48f4af 100644
--- a/lms/envs/aws.py
+++ b/lms/envs/aws.py
@@ -77,7 +77,7 @@ DATABASES = AUTH_TOKENS['DATABASES']
 XQUEUE_INTERFACE = AUTH_TOKENS['XQUEUE_INTERFACE']
 
 STAFF_GRADING_INTERFACE = AUTH_TOKENS.get('STAFF_GRADING_INTERFACE', STAFF_GRADING_INTERFACE)
-PEER_GRADING_INTERFACE = AUTH_TOKENS.get('STAFF_GRADING_INTERFACE', PEER_GRADING_INTERFACE)
+PEER_GRADING_INTERFACE = AUTH_TOKENS.get('PEER_GRADING_INTERFACE', PEER_GRADING_INTERFACE)
 
 PEARSON_TEST_USER = "pearsontest"
 PEARSON_TEST_PASSWORD = AUTH_TOKENS.get("PEARSON_TEST_PASSWORD")