diff --git a/crates/arroyo-api/src/connection_tables.rs b/crates/arroyo-api/src/connection_tables.rs
index df110b893..82f705886 100644
--- a/crates/arroyo-api/src/connection_tables.rs
+++ b/crates/arroyo-api/src/connection_tables.rs
@@ -91,6 +91,9 @@ async fn get_and_validate_connector(
             connection_profile.config.clone(),
         )
     } else {
+        if connector.metadata().connection_config.is_some() {
+            return Err(bad_request("this connector requires a connection profile, but `connectionProfileId` was not specified"));
+        }
         (None, json! {{}})
     };
 
diff --git a/webui/index.html b/webui/index.html
index 5af6cdf4e..7fc55245b 100644
--- a/webui/index.html
+++ b/webui/index.html
@@ -8,8 +8,8 @@
     <link rel="icon" href="/icon.png" type="image/png" />
     <title>Arroyo Console</title>
     <script>
-      const clusterId = "%VITE_CLUSTER_ID%";
-      const disableTelemetry = ("%VITE_DISABLE_TELEMETRY%" == "true");
+      const clusterId = "{{CLUSTER_ID}}";
+      const disableTelemetry = ("{{DISABLE_TELEMETRY}}" == "true" || "{{DISABLE_TELEMETRY}}" == "{{" + "DISABLE_TELEMETRY" + "}}");
 
       if (!disableTelemetry) {
         !function(t,e){var o,n,p,r;e.__SV||(window.posthog=e,e._i=[],e.init=function(i,s,a){function g(t,e){var o=e.split(".");2==o.length&&(t=t[o[0]],e=o[1]),t[e]=function(){t.push([e].concat(Array.prototype.slice.call(arguments,0)))}}(p=t.createElement("script")).type="text/javascript",p.async=!0,p.src=s.api_host+"/static/array.js",(r=t.getElementsByTagName("script")[0]).parentNode.insertBefore(p,r);var u=e;for(void 0!==a?u=e[a]=[]:a="posthog",u.people=u.people||[],u.toString=function(t){var e="posthog";return"posthog"!==a&&(e+="."+a),t||(e+=" (stub)"),e},u.people.toString=function(){return u.toString(1)+".people (stub)"},o="capture identify alias people.set people.set_once set_config register register_once unregister opt_out_capturing has_opted_out_capturing opt_in_capturing reset isFeatureEnabled onFeatureFlags".split(" "),n=0;n<o.length;n++)g(u,o[n]);e._i.push([i,s,a])},e.__SV=1)}(document,window.posthog||[]);