diff --git a/ChangeLog.txt b/ChangeLog.txt
index f79c5277f..e80a1d40f 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -11,6 +11,8 @@ Broker:
   network is down. Closes #1062.
 - Fix outgoing retained messages not being sent by bridges on initial
   connection. Closes #1040.
+- Don't reload auth_opt_ options on reload, to match the behaviour of the
+  other plugin options. Closes #1068.
 
 Library:
 - Fix reconnect delay backoff behaviour. Closes #1027.
diff --git a/src/conf.c b/src/conf.c
index c6bd897cb..67e172b00 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -818,6 +818,7 @@ int config__read_file_core(struct mosquitto__config *config, bool reload, struct
 					conf__set_cur_security_options(config, cur_listener, &cur_security_options);
 					if(conf__parse_bool(&token, "allow_zero_length_clientid", &cur_security_options->allow_zero_length_clientid, saveptr)) return MOSQ_ERR_INVAL;
 				}else if(!strncmp(token, "auth_opt_", 9)){
+					if(reload) continue; // Auth plugin not currently valid for reloading.
 					if(!cur_auth_plugin_config){
 						log__printf(NULL, MOSQ_LOG_ERR, "Error: An auth_opt_ option exists in the config file without an auth_plugin.");
 						return MOSQ_ERR_INVAL;