diff --git a/src/testdir/Make_os2.mak b/src/testdir/Make_os2.mak
index a84ade6..4406f7d 100644
--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -37,6 +37,7 @@
 		test94.out test95.out test96.out test98.out test99.out \
 		test100.out test101.out test102.out test103.out test104.out \
 		test105.out test106.out \
+		test_autoformat_join.out \
 		test_eval.out \
 		test_options.out