diff --git a/metadata/com.mareksebera.simpledilbert.yml b/metadata/com.mareksebera.simpledilbert.yml
index 3ce778c9aa..e78d37e51e 100644
--- a/metadata/com.mareksebera.simpledilbert.yml
+++ b/metadata/com.mareksebera.simpledilbert.yml
@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeNet
 Categories:
   - Reading
 License: Apache-2.0
diff --git a/metadata/com.selesca.xkcdmuzei.yml b/metadata/com.selesca.xkcdmuzei.yml
index 6f5fd4f4f7..83be61cd24 100644
--- a/metadata/com.selesca.xkcdmuzei.yml
+++ b/metadata/com.selesca.xkcdmuzei.yml
@@ -1,5 +1,6 @@
 AntiFeatures:
   - NonFreeDep
+  - NonFreeNet
 Categories:
   - Multimedia
   - Theming
diff --git a/metadata/de.tap.easy_xkcd.yml b/metadata/de.tap.easy_xkcd.yml
index c471980261..8b6c0eaba1 100644
--- a/metadata/de.tap.easy_xkcd.yml
+++ b/metadata/de.tap.easy_xkcd.yml
@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeNet
 Categories:
   - Reading
 License: Apache-2.0
diff --git a/metadata/net.bytten.xkcdviewer.yml b/metadata/net.bytten.xkcdviewer.yml
index 5e2e42ffbe..32dc9ef614 100644
--- a/metadata/net.bytten.xkcdviewer.yml
+++ b/metadata/net.bytten.xkcdviewer.yml
@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeNet
 Categories:
   - Reading
 License: GPL-2.0-or-later