diff --git a/ghost/admin/lib/koenig-editor/addon/utils/markup-utils.js b/ghost/admin/lib/koenig-editor/addon/utils/markup-utils.js
index 191b603ad7..ddea3aaf62 100644
--- a/ghost/admin/lib/koenig-editor/addon/utils/markup-utils.js
+++ b/ghost/admin/lib/koenig-editor/addon/utils/markup-utils.js
@@ -1,6 +1,6 @@
 export function getLinkMarkupFromRange(range) {
     let {headMarker, tailMarker} = range;
-    if (headMarker === tailMarker || headMarker.next === tailMarker) {
+    if (headMarker && (headMarker === tailMarker || headMarker.next === tailMarker)) {
         return tailMarker.markups.findBy('tagName', 'a');
     }
 }