diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index e67e3ef6c..c5efe6251 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -54,6 +54,7 @@ TESTS = \
 	tests/indic-joiner-candrabindu.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
+	tests/language-tags.tests \
 	tests/ligature-id.tests \
 	tests/mark-filtering-sets.tests \
 	tests/mongolian-variation-selector.tests \