diff --git a/source/ubl-settings-usergroups.c b/source/ubl-settings-usergroups.c
index 206a3a3..5409f12 100644
--- a/source/ubl-settings-usergroups.c
+++ b/source/ubl-settings-usergroups.c
@@ -19,7 +19,7 @@ int yon_load_proceed(YON_CONFIG_TYPE type){
 				int parsed_size;
 				char *local_value = yon_config_get_by_key(key);
 				config_str parsed = yon_char_parse(value,&parsed_size,":");
-				if (strstr(key,"USERADD[")){
+				if (strstr(key,"USERADD[")&&local_value){
 					if (parsed_size>5){
 						char *temp = yon_char_append(local_value,parsed[5]);
 						free(local_value);
@@ -29,7 +29,7 @@ int yon_load_proceed(YON_CONFIG_TYPE type){
 
 					}
 
-				} else if (strstr(key,"GROUPADD[")){
+				} else if (strstr(key,"GROUPADD[")&&local_value){
 					if (parsed_size>4){
 						char *temp = yon_char_append(local_value,parsed[4]);
 						free(local_value);