diff --git a/build/22-noctalia.sh b/build/22-noctalia.sh
index e353346..e5e8f65 100755
--- a/build/22-noctalia.sh
+++ b/build/22-noctalia.sh
@@ -15,6 +15,7 @@ echo "Installing Noctalia Shell v5..."
 # ImageMagick/Python/git waren v4-Bedarf und entfallen.
 dnf5 install -y \
   --allowerasing \
-  noctalia
+  noctalia \
+  flatpak
 
 dnf5 clean all