diff --git a/app/Models/Service.php b/app/Models/Service.php
index 11189b4ac..cc8074b74 100644
--- a/app/Models/Service.php
+++ b/app/Models/Service.php
@@ -778,7 +778,8 @@ public function extraFields()
                     }
                     $rpc_secret = $this->environment_variables()->where('key', 'GARAGE_RPC_SECRET')->first();
                     if (is_null($rpc_secret)) {
-                        $rpc_secret = $this->environment_variables()->where('key', 'SERVICE_HEX_32_RPCSECRET')->first();
+                        $rpc_secret = $this->environment_variables()->where('key', 'SERVICE_HEX_64_RPCSECRET')->first()
+                            ?? $this->environment_variables()->where('key', 'SERVICE_HEX_32_RPCSECRET')->first();
                     }
                     $metrics_token = $this->environment_variables()->where('key', 'GARAGE_METRICS_TOKEN')->first();
                     if (is_null($metrics_token)) {
diff --git a/templates/compose/garage.yaml b/templates/compose/garage.yaml
index 0c559cebd..e3292dffc 100644
--- a/templates/compose/garage.yaml
+++ b/templates/compose/garage.yaml
@@ -12,7 +12,7 @@ services:
       - GARAGE_S3_API_URL=$GARAGE_S3_API_URL
       - GARAGE_WEB_URL=$GARAGE_WEB_URL
       - GARAGE_ADMIN_URL=$GARAGE_ADMIN_URL
-      - GARAGE_RPC_SECRET=${SERVICE_HEX_32_RPCSECRET}
+      - GARAGE_RPC_SECRET=${SERVICE_HEX_64_RPCSECRET}
       - GARAGE_ADMIN_TOKEN=$SERVICE_PASSWORD_GARAGE
       - GARAGE_METRICS_TOKEN=$SERVICE_PASSWORD_GARAGEMETRICS
       - GARAGE_ALLOW_WORLD_READABLE_SECRETS=true