diff --git a/lib/hyperscript/runtime.sx b/lib/hyperscript/runtime.sx
index a7ef69b1..474fdc92 100644
--- a/lib/hyperscript/runtime.sx
+++ b/lib/hyperscript/runtime.sx
@@ -810,7 +810,8 @@
             (append target (list value))))
         ((hs-element? target)
           (do
-            (dom-insert-adjacent-html target "beforeend" (str value))
+            (dom-insert-adjacent-html target "beforeend"
+              (if (hs-element? value) (host-get value "outerHTML") (str value)))
             target))
         (true (str target value)))))
   (define
@@ -820,7 +821,8 @@
       (cond
         ((nil? target) nil)
         ((hs-element? target)
-          (dom-insert-adjacent-html target "beforeend" (str value)))
+          (dom-insert-adjacent-html target "beforeend"
+            (if (hs-element? value) (host-get value "outerHTML") (str value))))
         (true nil)))))
 
 (define
diff --git a/shared/static/wasm/sx/hs-runtime.sx b/shared/static/wasm/sx/hs-runtime.sx
index a7ef69b1..474fdc92 100644
--- a/shared/static/wasm/sx/hs-runtime.sx
+++ b/shared/static/wasm/sx/hs-runtime.sx
@@ -810,7 +810,8 @@
             (append target (list value))))
         ((hs-element? target)
           (do
-            (dom-insert-adjacent-html target "beforeend" (str value))
+            (dom-insert-adjacent-html target "beforeend"
+              (if (hs-element? value) (host-get value "outerHTML") (str value)))
             target))
         (true (str target value)))))
   (define
@@ -820,7 +821,8 @@
       (cond
         ((nil? target) nil)
         ((hs-element? target)
-          (dom-insert-adjacent-html target "beforeend" (str value)))
+          (dom-insert-adjacent-html target "beforeend"
+            (if (hs-element? value) (host-get value "outerHTML") (str value))))
         (true nil)))))
 
 (define