diff --git a/src/services.js b/src/services.js
index f65e3dc35..563287b59 100644
--- a/src/services.js
+++ b/src/services.js
@@ -427,7 +427,7 @@ async function configureService(id, data, auditSource) {
         const servicesConfig = await getConfig();
         needsRebuild = servicesConfig[name]?.recoveryMode != data.recoveryMode; // intentional != since 'recoveryMode' may or may not be there
 
-        if (name === 'postgresql' && data.useVectorRsExtension !== servicesConfig[name].useVectorRsExtension) needsRebuild = true;
+        if (name === 'postgresql' && (!servicesConfig[name] || data.useVectorRsExtension !== servicesConfig[name].useVectorRsExtension)) needsRebuild = true;
 
         servicesConfig[name] = data;