diff --git a/app/assets/javascripts/editor/execution.js b/app/assets/javascripts/editor/execution.js
index 4988163e..01277422 100644
--- a/app/assets/javascripts/editor/execution.js
+++ b/app/assets/javascripts/editor/execution.js
@@ -11,10 +11,12 @@ CodeOceanEditorWebsocket = {
       // strip anchor if it is in the url
       sockURL.hash = '';
 
-      sockURL.searchParams.set('HTTP_SENTRY_TRACE', span.toTraceparent());
-      const dynamicContext = this.sentryTransaction.getDynamicSamplingContext();
-      const baggage = SentryUtils.dynamicSamplingContextToSentryBaggageHeader(dynamicContext);
-      sockURL.searchParams.set('HTTP_BAGGAGE', baggage);
+      if (span) {
+        sockURL.searchParams.set('HTTP_SENTRY_TRACE', span.toTraceparent());
+        const dynamicContext = this.sentryTransaction.getDynamicSamplingContext();
+        const baggage = SentryUtils.dynamicSamplingContextToSentryBaggageHeader(dynamicContext);
+        sockURL.searchParams.set('HTTP_BAGGAGE', baggage);
+      }
 
       return sockURL.toString();
   },