diff -ur asterisk-11.17.0-bak/addons/cdr_mysql.c asterisk-11.17.0/addons/cdr_mysql.c
--- asterisk-11.17.0-bak/addons/cdr_mysql.c	2015-04-11 15:43:02.231033422 -0500
+++ asterisk-11.17.0/addons/cdr_mysql.c	2015-04-11 15:51:33.483522241 -0500
@@ -382,7 +382,9 @@
 	}
 
 	dbport = 0;
-	ast_cdr_unregister(name);
+	if (!reload) {
+		ast_cdr_unregister(name);
+	}
 	
 	return 0;
 }
@@ -658,7 +660,7 @@
 		return AST_MODULE_LOAD_FAILURE;
 	}
 
-	res = ast_cdr_register(name, desc, mysql_log);
+	res = reload ? 0 : ast_cdr_register(name, desc, mysql_log);
 	if (res) {
 		ast_log(LOG_ERROR, "Unable to register MySQL CDR handling\n");
 	} else {