diff --git a/ansible_mitogen/transport_config.py b/ansible_mitogen/transport_config.py
index a9f672099..4985df8b2 100644
--- a/ansible_mitogen/transport_config.py
+++ b/ansible_mitogen/transport_config.py
@@ -443,7 +443,7 @@ def become_method(self):
         return self._play_context.become_method
 
     def become_user(self):
-        return self._play_context.become_user
+        return self._connection_option('become_user')
 
     def become_pass(self):
         # become_pass is owned/provided by the active become plugin. However
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 1fad75a58..dd6f5a2a2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -23,6 +23,8 @@ In progress (unreleased)
 
 * :gh:issue:`1159` CI: Reduce number of Jobs by parameterizing Mitogen Docker
   SSH tests
+* :gh:issue:`1083` fix: Jinja expressions are not evaluated in (not only)
+  credential variables.
 
 
 v0.3.13 (2024-10-09)