diff --git a/scripts/spacetime-migration-common.mjs b/scripts/spacetime-migration-common.mjs
index 6af7ec39..31f5a56a 100644
--- a/scripts/spacetime-migration-common.mjs
+++ b/scripts/spacetime-migration-common.mjs
@@ -93,6 +93,8 @@ export function buildSpacetimeCallArgs(options, procedureName, input) {
   args.push('call');
   if (options.server) {
     args.push('-s', options.server);
+  } else if (options.serverUrl) {
+    args.push('-s', options.serverUrl);
   }
   args.push(...options.passthrough);
   args.push(options.database, procedureName, JSON.stringify(input), '-y');