diff --git a/src/kits/interface/InterfaceDefs.cpp b/src/kits/interface/InterfaceDefs.cpp
index 5914ebe129..9844b68792 100644
--- a/src/kits/interface/InterfaceDefs.cpp
+++ b/src/kits/interface/InterfaceDefs.cpp
@@ -673,7 +673,7 @@ _IMPEXP_BE void
 run_be_about()
 {
 	if (be_roster != NULL)
-		be_roster->Launch("application/x-vnd.haiku-AboutHaiku");
+		be_roster->Launch("application/x-vnd.Haiku-About");
 }