diff --git a/servers/rs/service.c b/servers/rs/service.c
index acab09dda..71d355490 100644
--- a/servers/rs/service.c
+++ b/servers/rs/service.c
@@ -681,7 +681,7 @@ struct
 	{ "SETGRANT",		SYS_SETGRANT },
 	{ "READBIOS",		SYS_READBIOS },
 	{ "VM_MAP",		SYS_VM_MAP },
-	{ "MAPDMAx",		SYS_MAPDMAx },
+	{ "MAPDMA",		SYS_MAPDMA },
 	{ NULL,		0 }
 };