diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/MANIFEST b/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/MANIFEST
index df0e4b5f5..242b2a135 100644
--- a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/MANIFEST
+++ b/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/MANIFEST
@@ -3,3 +3,4 @@ language-arabic.txt
 language-persian.txt
 language-urdu.txt
 ligature-diacritics.txt
+mark-skipping.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt b/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt
new file mode 100644
index 000000000..038c92124
--- /dev/null
+++ b/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt
@@ -0,0 +1,10 @@
+تختة
+تخنة
+تخئة
+تخثة
+تخٹة
+تختّة
+تخنّة
+تخئّة
+تخثّة
+تخٹّة