--- mqtt/src/accmqtt.c	2011/12/12 09:24:25	1.1.2.6
+++ mqtt/src/accmqtt.c	2011/12/14 12:45:30	1.1.2.7
@@ -39,7 +39,8 @@ mqtt_rtlm_open(sl_config *cfg)
 	if (!cfg)
 		return NULL;
 
-	sqlite3_config(SQLITE_CONFIG_SERIALIZED);
+	if (!sqlite3_threadsafe() || sqlite3_config(SQLITE_CONFIG_SERIALIZED))
+		return NULL;
 
 	str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_acc"), CFG("name"));
 	if (!str) {