diff --git a/src/tsm41/Makefile.in b/src/tsm41/Makefile.in
index dae3c655e7..74560bb60f 100644
--- a/src/tsm41/Makefile.in
+++ b/src/tsm41/Makefile.in
@@ -102,7 +102,7 @@ aix_auth.o:
 		${CC} ${CFLAGS} -c ${srcdir}/aix41_auth.c -o $@ ;; \
 	rs_aix5*) \
 		${CC} ${CFLAGS} -c ${srcdir}/aix5_auth.c -o $@ ;; \
-	rs_aix6*) 
+	rs_aix6*) \
 		${CC} ${CFLAGS} -c ${srcdir}/aix5_auth.c -o $@ ;; \
 	*) \
 		echo "not building aix lam binary for ${SYS_NAME}" ;; \