diff --git a/src/domcoords.ts b/src/domcoords.ts
index 36dc16e..918ada9 100644
--- a/src/domcoords.ts
+++ b/src/domcoords.ts
@@ -300,11 +300,14 @@ export function posAtCoords(view: EditorView, coords: {top: number, left: number
           offset++
       }
     }
-    let prev
     // When clicking above the right side of an uneditable node, Chrome will report a cursor position after that node.
-    if (browser.webkit && offset && node.nodeType == 1 && (prev = node.childNodes[offset - 1]).nodeType == 1 &&
-        (prev as HTMLElement).contentEditable == "false" && (prev as HTMLElement).getBoundingClientRect().top >= coords.top)
-      offset--
+    if (browser.webkit && offset && node.nodeType == 1) {
+      const prev = node.childNodes[offset - 1];
+
+      if (prev?.nodeType == 1 && (prev as HTMLElement)?.contentEditable == "false" && (prev as HTMLElement)?.getBoundingClientRect().top >= coords.top) {
+      offset--;
+      }
+    }
     // Suspiciously specific kludge to work around caret*FromPoint
     // never returning a position at the end of the document
     if (node == view.dom && offset == node.childNodes.length - 1 && node.lastChild!.nodeType == 1 &&