diff --git a/Makefile.in b/Makefile.in
index 25b57987e..4b6dfc477 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -218,13 +218,6 @@ $(CONFIGFILES): $(CONFIGFILES_IN)
 moduli:
 	echo
 
-# special case target for umac128
-umac128.o:	umac.c
-	$(CC) $(CFLAGS) $(CPPFLAGS) -o umac128.o -c $(srcdir)/umac.c \
-	    -DUMAC_OUTPUT_LEN=16 -Dumac_new=umac128_new \
-	    -Dumac_update=umac128_update -Dumac_final=umac128_final \
-	    -Dumac_delete=umac128_delete -Dumac_ctx=umac128_ctx
-
 clean:	regressclean
 	rm -f *.o *.a $(TARGETS) logintest config.cache config.log
 	rm -f *.out core survey
diff --git a/umac.c b/umac.c
index b6b256a74..eab831072 100644
--- a/umac.c
+++ b/umac.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: umac.c,v 1.15 2017/11/28 06:09:38 djm Exp $ */
+/* $OpenBSD: umac.c,v 1.16 2017/12/12 15:06:12 naddy Exp $ */
 /* -----------------------------------------------------------------------
  *
  * umac.c -- C Implementation UMAC Message Authentication
diff --git a/umac128.c b/umac128.c
new file mode 100644
index 000000000..af3bd9d3f
--- /dev/null
+++ b/umac128.c
@@ -0,0 +1,9 @@
+/* $OpenBSD: umac128.c,v 1.1 2017/12/12 15:06:12 naddy Exp $ */
+
+#define UMAC_OUTPUT_LEN	16
+#define umac_new	umac128_new
+#define umac_update	umac128_update
+#define umac_final	umac128_final
+#define umac_delete	umac128_delete
+
+#include "umac.c"