diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 34644d6..08f6c5b 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -228,6 +228,7 @@
 	test_signs \
 	test_smartindent \
 	test_sort \
+	test_sound \
 	test_source \
 	test_source_utf8 \
 	test_spell \
@@ -399,6 +400,7 @@
 	test_signals.res \
 	test_signs.res \
 	test_smartindent.res \
+	test_sound.res \
 	test_source.res \
 	test_spell.res \
 	test_startup.res \