diff --git a/mmacells.sty b/mmacells.sty
index 83598db..df18fb6 100644
--- a/mmacells.sty
+++ b/mmacells.sty
@@ -642,7 +642,7 @@
     \hbox_set:Nn \@labels
       {
         \skip_horizontal:N \@totalleftmargin
-        \hbox_unpack_clear:N \@labels
+        \hbox_unpack_drop:N \@labels
       }
   }