diff --git a/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2 b/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2
index 43dc42d1f..6c90c9a3e 100644
--- a/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2
+++ b/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2
@@ -17,6 +17,8 @@ ExecStartPre={{ matrix_host_command_sleep }} 5
 ExecStart={{ matrix_host_command_docker }} run --rm --name {{ matrix_synapse_worker_container_name }} \
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
+			-e UID={{ matrix_user_uid }} \
+			-e GID={{ matrix_user_gid }} \
 			--cap-drop=ALL \
 			--read-only \
 			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_synapse_tmp_directory_size_mb }}m \
diff --git a/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse.service.j2 b/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse.service.j2
index cd3a2f3df..2fbaac7b5 100644
--- a/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse.service.j2
+++ b/roles/matrix-synapse/templates/synapse/systemd/matrix-synapse.service.j2
@@ -33,6 +33,8 @@ ExecStartPre={{ matrix_host_command_sleep }} 3
 ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-synapse \
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
+			--env=UID={{ matrix_user_uid }} \
+			--env=GID={{ matrix_user_gid }} \
 			--cap-drop=ALL \
 			--read-only \
 			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_synapse_tmp_directory_size_mb }}m \