diff --git a/xtrn/sbl/GNUmakefile b/xtrn/sbl/GNUmakefile
index fd47105fcf58be0b3a82709831625f94adaa4243..61e2e06ea878425a20c8d9fc98045b3916a98986 100644
--- a/xtrn/sbl/GNUmakefile
+++ b/xtrn/sbl/GNUmakefile
@@ -62,4 +62,5 @@ smb2sbl: smb2sbl.o $(SMBIO)
 
 sblpack: sblpack.o $(XPDEV)/filewrap.o
 
-clean: rm -f *.o
\ No newline at end of file
+clean:
+	rm -f *.o