diff --git a/roles/matrix-synapse/tasks/synapse/setup_install.yml b/roles/matrix-synapse/tasks/synapse/setup_install.yml
index e0bffb842..689d7e9a3 100644
--- a/roles/matrix-synapse/tasks/synapse/setup_install.yml
+++ b/roles/matrix-synapse/tasks/synapse/setup_install.yml
@@ -146,4 +146,4 @@
           }
         ]
       }}
-when: "matrix_synapse_media_storage_provider_s3_enabled|bool"
+  when: "matrix_synapse_media_storage_provider_s3_enabled|bool"