diff --git a/src/hb-ot-shaper-arabic-fallback.hh b/src/hb-ot-shaper-arabic-fallback.hh
index 66a8bfbd2..b82de35aa 100644
--- a/src/hb-ot-shaper-arabic-fallback.hh
+++ b/src/hb-ot-shaper-arabic-fallback.hh
@@ -355,6 +355,8 @@ arabic_fallback_plan_destroy (arabic_fallback_plan_t *fallback_plan)
   for (unsigned int i = 0; i < fallback_plan->num_lookups; i++)
     if (fallback_plan->lookup_array[i])
     {
+      if (fallback_plan->accel_array[i])
+	fallback_plan->accel_array[i]->fini ();
       hb_free (fallback_plan->accel_array[i]);
       if (fallback_plan->free_lookups)
 	hb_free (fallback_plan->lookup_array[i]);