diff --git a/src/index.js b/src/index.js
index 0f55087..89ed4a1 100644
--- a/src/index.js
+++ b/src/index.js
@@ -99,9 +99,9 @@ sampleRUM.drain('cwv', (() => {
       data.cwv[measurement.name] = measurement.value;
 
       if (measurement.name === 'LCP' && measurement.entries.length > 0) {
-        const { element } = measurement.entries.pop();
-        data.target = sampleRUM.targetselector(element);
-        data.source = sampleRUM.sourceselector(element) || element.outerHTML.slice(0, 30);
+        const { element: el } = measurement.entries.pop();
+        data.target = sampleRUM.targetselector(el);
+        data.source = sampleRUM.sourceselector(el) || (el && el.outerHTML.slice(0, 30));
       }
 
       sampleRUM('cwv', data);