diff --git a/mach/m68k4/libpc/Makefile b/mach/m68k4/libpc/Makefile
index 9f45d5d24..926013cae 100644
--- a/mach/m68k4/libpc/Makefile
+++ b/mach/m68k4/libpc/Makefile
@@ -1,5 +1,5 @@
 MAKEFILE=../../proto/libg/Makefile
-MACHDEF="MACH=m68k4" "SUF=s"
+MACHDEF="MACH=m68k4" "SUF=o"
 PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
 
 install:
diff --git a/mach/m68k4/libpc/compmodule b/mach/m68k4/libpc/compmodule
index 284613267..491f6d251 100755
--- a/mach/m68k4/libpc/compmodule
+++ b/mach/m68k4/libpc/compmodule
@@ -1,2 +1,2 @@
 ${MACH?} -I../../../h ${MACHFL?} $1 1>&2
-echo `basename $1 $2`.s
+echo `basename $1 $2`.o