diff --git a/qutebrowser/javascript/webelem.js b/qutebrowser/javascript/webelem.js
index 206cdf129..749dfcc72 100644
--- a/qutebrowser/javascript/webelem.js
+++ b/qutebrowser/javascript/webelem.js
@@ -52,12 +52,20 @@ window._qutebrowser.webelem = (function() {
             "id": id,
             "text": elem.text,
             "value": elem.value,
-            "tag_name": elem.tagName,
             "outer_xml": elem.outerHTML,
             "class_name": elem.className,
             "rects": [],  // Gets filled up later
         };
 
+        // https://github.com/qutebrowser/qutebrowser/issues/2569
+        if (typeof elem.tagName === "string") {
+            out.tag_name = elem.tagName;
+        } else if (typeof elem.nodeName === "string") {
+            out.tag_name = elem.nodeName;
+        } else {
+            out.tag_name = "";
+        }
+
         var attributes = {};
         for (var i = 0; i < elem.attributes.length; ++i) {
             var attr = elem.attributes[i];
diff --git a/tests/end2end/features/misc.feature b/tests/end2end/features/misc.feature
index 83de1c822..171fdf476 100644
--- a/tests/end2end/features/misc.feature
+++ b/tests/end2end/features/misc.feature
@@ -726,3 +726,12 @@ Feature: Various utility commands.
         Then no crash should happen
         And the following tabs should be open:
             - data/numbers/3.txt (active)
+
+    ## Bugs
+
+    # https://github.com/qutebrowser/qutebrowser/issues/2569
+    Scenario: Clicking on form element with tagName child
+        When I open data/issue2569.html
+        And I run :click-element id theform
+        And I wait for "Clicked editable element!" in the log
+        Then no crash should happen