diff --git a/lib/modules/Mysql.pmod/SqlTable.pike b/lib/modules/Mysql.pmod/SqlTable.pike
index 913be36ad3c32f65d8c3db01f93723accdcfcc36..585d6e5ecd206366ed93d32d9298558ba78db682 100644
--- a/lib/modules/Mysql.pmod/SqlTable.pike
+++ b/lib/modules/Mysql.pmod/SqlTable.pike
@@ -1284,6 +1284,8 @@ class Result
 	select_clause =
 	  "`" + tbl_qual + (real_col_names * ("`,`" + tbl_qual)) + "`";
       }
+    } else {
+      real_col_names = ({});
     }
 
     if (sizeof (real_cols) < sizeof (fields)) {