diff --git a/src/shell-app-system.c b/src/shell-app-system.c
index 0639ad804..f497d179e 100644
--- a/src/shell-app-system.c
+++ b/src/shell-app-system.c
@@ -26,6 +26,7 @@
 static const char*const vendor_prefixes[] = { "gnome-",
                                               "fedora-",
                                               "mozilla-",
+                                              "debian-",
                                               NULL };
 
 enum {