diff --git a/awx/main/models/credential/injectors.py b/awx/main/models/credential/injectors.py
index afbb30811b..93c1a37d8b 100644
--- a/awx/main/models/credential/injectors.py
+++ b/awx/main/models/credential/injectors.py
@@ -15,6 +15,7 @@ def aws(cred, env, private_data_dir):
 
     if cred.has_input('security_token'):
         env['AWS_SECURITY_TOKEN'] = cred.get_input('security_token', default='')
+        env['AWS_SESSION_TOKEN'] = env['AWS_SECURITY_TOKEN']
 
 
 def gce(cred, env, private_data_dir):
diff --git a/awx/main/tests/data/inventory/plugins/ec2/env.json b/awx/main/tests/data/inventory/plugins/ec2/env.json
index 57e9c67a3b..77cedd003e 100644
--- a/awx/main/tests/data/inventory/plugins/ec2/env.json
+++ b/awx/main/tests/data/inventory/plugins/ec2/env.json
@@ -3,5 +3,6 @@
     "ANSIBLE_TRANSFORM_INVALID_GROUP_CHARS": "never",
     "AWS_ACCESS_KEY_ID": "fooo",
     "AWS_SECRET_ACCESS_KEY": "fooo",
-    "AWS_SECURITY_TOKEN": "fooo"
+    "AWS_SECURITY_TOKEN": "fooo",
+    "AWS_SESSION_TOKEN": "fooo"
 }
\ No newline at end of file