diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 45f45d7..5b85156 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -158,6 +158,7 @@
 	    test_registers.res \
 	    test_retab.res \
 	    test_ruby.res \
+	    test_scriptnames.res \
 	    test_scrollbind.res \
 	    test_search.res \
 	    test_shortpathname.res \