diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index f5f38cc..8a0bc3c 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -480,7 +480,7 @@
   {
     TRACE_APPLY ();
     unsigned int count = component.len;
-    if (unlikely (count < 2)) return TRACE_RETURN (false);
+    if (unlikely (count < 1)) return TRACE_RETURN (false);
 
     hb_apply_context_t::mark_skipping_forward_iterator_t skippy_iter (c, c->buffer->idx, count - 1);
     if (skippy_iter.has_no_chance ()) return TRACE_RETURN (false);