diff --git a/projects/editor/src/html_wrapper/index.html b/projects/editor/src/html_wrapper/index.html
index dc9b338a2d5ffa2a9838f6d1c11a7ff4e9604112..129798f2adfb8f3ae9ec514d75a3bbd2bca7c2db 100644
--- a/projects/editor/src/html_wrapper/index.html
+++ b/projects/editor/src/html_wrapper/index.html
@@ -1,5 +1,5 @@
<!doctype html>
-<html lang="en">
+<html lang="de">
<head>
<meta charset="UTF-8">
<title>Verona Editor Aspect</title>
diff --git a/projects/editor/src/index.html b/projects/editor/src/index.html
index ac6700a91e4a298ab6510b57628b5b381539bc89..3dffd772ae27664c3dd35499c854671be7973489 100644
--- a/projects/editor/src/index.html
+++ b/projects/editor/src/index.html
@@ -1,5 +1,5 @@
<!doctype html>
-<html lang="en">
+<html lang="de">
<head>
<meta charset="utf-8">
<title>Editor Aspect</title>
diff --git a/projects/player/src/html_wrapper/index.html b/projects/player/src/html_wrapper/index.html
index dba706117b468f67e03f8d4d8d025825241db93c..d6af79f4fb588c2f3bacf29e96c29da38797ec1b 100644
--- a/projects/player/src/html_wrapper/index.html
+++ b/projects/player/src/html_wrapper/index.html
@@ -1,5 +1,5 @@
<!doctype html>
-<html lang="en">
+<html lang="de">
<head>
<meta charset="UTF-8">
<title>Verona Player Aspect</title>
diff --git a/projects/player/src/index.html b/projects/player/src/index.html
index 541204bbd2919cb3934f54235813a35fffd4713a..c911744961323031f35ff4ea16906a409aed3d7f 100644
--- a/projects/player/src/index.html
+++ b/projects/player/src/index.html
@@ -1,5 +1,5 @@
<!doctype html>
-<html lang="en">
+<html lang="de">
<head>
<meta charset="utf-8">
<title>Player</title>