diff --git a/src/add-ons/disk_systems/bfs/BFSAddOn.rdef b/src/add-ons/disk_systems/bfs/BFSAddOn.rdef
new file mode 100644
index 0000000000..5c87fbb475
--- /dev/null
+++ b/src/add-ons/disk_systems/bfs/BFSAddOn.rdef
@@ -0,0 +1,5 @@
+/*
+ * BFSAddOn.rdef
+ */
+
+resource app_signature "application/x-vnd.Haiku-BFSAddOn";
\ No newline at end of file
diff --git a/src/add-ons/disk_systems/intel/IntelDiskAddOn.rdef b/src/add-ons/disk_systems/intel/IntelDiskAddOn.rdef
new file mode 100644
index 0000000000..0e57436623
--- /dev/null
+++ b/src/add-ons/disk_systems/intel/IntelDiskAddOn.rdef
@@ -0,0 +1,5 @@
+/*
+ * IntelDiskAddOn.rdef
+ */
+
+resource app_signature "application/x-vnd.Haiku-IntelDiskAddOn";
\ No newline at end of file