diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index bb646ee..c42aae6 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -193,6 +193,7 @@
 	    test_substitute.res \
 	    test_syntax.res \
 	    test_system.res \
+	    test_tcl.res \
 	    test_textobjects.res \
 	    test_undo.res \
 	    test_usercommands.res \