diff --git a/roles/matrix-bridge-hookshot/defaults/main.yml b/roles/matrix-bridge-hookshot/defaults/main.yml
index e548e51fa..3063e673c 100644
--- a/roles/matrix-bridge-hookshot/defaults/main.yml
+++ b/roles/matrix-bridge-hookshot/defaults/main.yml
@@ -44,7 +44,7 @@ matrix_hookshot_github_oauth_id: '' # "Client ID" on the GitHub App page
 matrix_hookshot_github_oauth_secret: '' # "Client Secret" on the GitHub App page
 # default value of matrix_hookshot_github_oauth_endpoint: "/hookshot/webhooks/oauth"
 matrix_hookshot_github_oauth_endpoint: "{{ matrix_hookshot_webhook_endpoint }}/oauth"
-matrix_hookshot_github_oauth_uri: "{{ matrix_server_fqn_matrix }}{{ matrix_hookshot_github_oauth_endpoint }}"
+matrix_hookshot_github_oauth_uri: "https://{{ matrix_server_fqn_matrix }}{{ matrix_hookshot_github_oauth_endpoint }}"
 # these are the default settings mentioned here and don't need to be modified: https://half-shot.github.io/matrix-hookshot/usage/room_configuration/github_repo.html#configuration
 matrix_hookshot_github_ignore_hooks: "{}"
 matrix_hookshot_github_command_prefix: '!gh'