diff --git a/src/main/kotlin/fr/username404/website/subpages/Subpage.kt b/src/main/kotlin/fr/username404/website/subpages/Subpage.kt
index 2f31185..313a895 100644
--- a/src/main/kotlin/fr/username404/website/subpages/Subpage.kt
+++ b/src/main/kotlin/fr/username404/website/subpages/Subpage.kt
@@ -14,6 +14,8 @@ data class Subpage(
 ) {
     fun open(): Document = window.document.open(
         type = "text/html",
-        replace = head.map { it.innerHTML }.reduce { previous, current -> previous + "\n" + current }
+        replace = (head.map { it.innerHTML }.reduceOrNull { previous, current -> previous + '\n' + current } ?: "").plus(
+            '\n' + content.innerHTML
+        )
     )
 }