diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 65ad3ee..999f519 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -149,6 +149,7 @@
 	    test_channel.res \
 	    test_charsearch.res \
 	    test_cmdline.res \
+	    test_crypt.res \
 	    test_cscope.res \
 	    test_diffmode.res \
 	    test_digraph.res \