diff --git a/src/add-ons/screen_savers/nebula/Jamfile b/src/add-ons/screen_savers/nebula/Jamfile
index da4ee0bfb4..5a2a17815f 100644
--- a/src/add-ons/screen_savers/nebula/Jamfile
+++ b/src/add-ons/screen_savers/nebula/Jamfile
@@ -13,7 +13,7 @@ ScreenSaver Nebula :
 	be libscreensaver.so localestub [ TargetLibsupc++ ]
 ;
 
-DoCatalogs Message :
+DoCatalogs Nebula :
 	x-vnd.Haiku-NebulaScreensaver
 	:
 	Nebula.cpp
diff --git a/src/add-ons/screen_savers/nebula/Nebula.rdef b/src/add-ons/screen_savers/nebula/Nebula.rdef
index 6f2a8ac4b4..bb5c0c07c3 100644
--- a/src/add-ons/screen_savers/nebula/Nebula.rdef
+++ b/src/add-ons/screen_savers/nebula/Nebula.rdef
@@ -1,3 +1,7 @@
+resource app_signature "application/x-vnd.Haiku-NebulaScreensaver";
+
+resource app_name_catalog_entry "x-vnd.Haiku-NebulaScreensaver:System name:Nebula";
+
 resource app_version {
 	major  = 1,
 	middle = 2,