--- loncom/interface/lonmysql.pm	2016/08/14 16:13:22	1.40
+++ loncom/interface/lonmysql.pm	2019/11/20 18:02:55	1.41
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # MySQL utility functions
 #
-# $Id: lonmysql.pm,v 1.40 2016/08/14 16:13:22 raeburn Exp $
+# $Id: lonmysql.pm,v 1.41 2019/11/20 18:02:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1259,6 +1259,7 @@ Fixes a table name so that it will work
 sub fix_table_name {
     my ($name) = @_;
     $name =~ s/^(\d+[eE]\d+)/_$1/;
+    $name =~ s/\W//g;
     return $name;
 }