diff --git a/src/main.c b/src/main.c
index 2910fdc..84c6c77 100644
--- a/src/main.c
+++ b/src/main.c
@@ -48,6 +48,8 @@ static int config_handler(void* user, const char* section, const char* name, con
 			web_refresh = result > 1 ? result : 1;
 		} else if (strcmp(name, "status_refresh") == 0) {
 			status_refresh = atoi(value);
+		} else if (strcmp(name, "retention") == 0) {
+			retention = atoi(value);
 		} else {
 			printf("Unknown configuration entry \'%s\'\n", name);
 		}
diff --git a/src/main.h b/src/main.h
index 0c0f7d7..ccb6afc 100644
--- a/src/main.h
+++ b/src/main.h
@@ -29,6 +29,7 @@ char* daemon_banner = "";
 uint32_t global_backoff = 5;
 uint32_t web_refresh = 30;
 uint32_t status_refresh = 30;
+uint32_t retention = 86400;
 
 int get_asset(char** buffer, const char* path, size_t* size) {
 	*size = 0;
@@ -211,7 +212,7 @@ mxml_node_t* generate_index() {
 	for (; !iterator_equals(&count_it, &peroid_end); iterator_increment(&count_it)) {
 		struct StatusPeroid* peroid = *(struct StatusPeroid**)iterator_get(&count_it);
 		if (earliest_time == 0) earliest_time = peroid->time;
-		else if (peroid->time <= (now - 86400000000)) {
+		else if (peroid->time <= (now - (long)retension * 1000000)) {
 			earliest_time = peroid->time;
 		} else col_count++;
 	}