diff --git a/src/textconv.c b/src/textconv.c
index e91e127b71c..d5db6d11717 100644
--- a/src/textconv.c
+++ b/src/textconv.c
@@ -279,6 +279,7 @@ textconv_query (struct frame *f, struct textconv_callback_struct *query)
 	}
 
     default:
+      break;
     }
 
   /* Undo any changes to the excursion.  */