Index: boot/arch/mips32/loader/Makefile
===================================================================
--- boot/arch/mips32/loader/Makefile	(revision 6198611cbf70bcaf84b60380a0ea21b394608275)
+++ boot/arch/mips32/loader/Makefile	(revision b0247bac85a54efd0a8b8a1901d781dec1d3520b)
@@ -146,5 +146,5 @@
 endif
 ifeq ($(RDFMT),fat)
-	../../../../tools/mkfat.sh $(USPACEDIR)/dist/ initrd.fs
+	../../../../tools/mkfat.py $(USPACEDIR)/dist/ initrd.fs
 endif
 	../../../../tools/mkhord.py 16384 initrd.fs initrd.img