diff --git a/sql-common/client.c b/sql-common/client.c
index 381768834cdd6ae35d250e545fc4d459101b64f3..be24c5e89e4fe52b5b381ad27bb54c1cff3a9eaa 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -1406,6 +1406,7 @@ void mysql_read_default_options(struct st_mysql_options *options,
           ENSURE_EXTENSIONS_PRESENT(options);
           options->extension->enable_cleartext_plugin= 
             (!opt_arg || atoi(opt_arg) != 0) ? TRUE : FALSE;
+          break;
 
 	default:
 	  DBUG_PRINT("warning",("unknown option: %s",option[0]));