diff --git a/lib/modules/Mysql.pmod/SqlTable.pike b/lib/modules/Mysql.pmod/SqlTable.pike
index 9aa48a8928f319de04db76f5086b5e8c4fb58b7c..913be36ad3c32f65d8c3db01f93723accdcfcc36 100644
--- a/lib/modules/Mysql.pmod/SqlTable.pike
+++ b/lib/modules/Mysql.pmod/SqlTable.pike
@@ -1,4 +1,7 @@
 #pike __REAL_VERSION__
+#if !constant (___Mysql)
+constant this_program_does_not_exist = 1;
+#else  // !___Mysql
 
 //! This class provides some abstractions on top of an SQL table.
 //!
@@ -1760,3 +1763,4 @@ protected string make_set_clause (mapping(string:mixed) rec,
 
   return buf->get();
 }
+#endif