diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index a25598749..15c193fe3 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -77,7 +77,10 @@ struct shape_consumer_t : shape_options_t
       }
     }
 
-    output.consume_glyphs (buffer, text, text_len, utf8_clusters);
+    if (glyphs)
+      output.consume_glyphs (buffer, nullptr, 0, false);
+    else
+      output.consume_glyphs (buffer, text, text_len, utf8_clusters);
     return true;
   }
   template <typename app_t>