diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index a22a76f..5f8ce7d 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -172,6 +172,7 @@
 	    test_hardcopy.res \
 	    test_history.res \
 	    test_increment.res \
+	    test_increment_dbcs.res \
 	    test_json.res \
 	    test_langmap.res \
 	    test_man.res \