diff --git a/src/ngx_http_vhost_traffic_status_module.h b/src/ngx_http_vhost_traffic_status_module.h
index 58a8199..c38897e 100644
--- a/src/ngx_http_vhost_traffic_status_module.h
+++ b/src/ngx_http_vhost_traffic_status_module.h
@@ -16,7 +16,7 @@
 #include "ngx_http_vhost_traffic_status_string.h"
 #include "ngx_http_vhost_traffic_status_node.h"
 
-#define NGX_HTTP_VTS_MODULE_VERSION  "0.1.19.dev.7c3ecb9"
+#define NGX_HTTP_VTS_MODULE_VERSION  "0.1.19.dev.c16aa0e"
 
 #define NGX_HTTP_VHOST_TRAFFIC_STATUS_UPSTREAM_NO          0
 #define NGX_HTTP_VHOST_TRAFFIC_STATUS_UPSTREAM_UA          1
diff --git a/src/ngx_http_vhost_traffic_status_shm.c b/src/ngx_http_vhost_traffic_status_shm.c
index d87336f..1e968e8 100644
--- a/src/ngx_http_vhost_traffic_status_shm.c
+++ b/src/ngx_http_vhost_traffic_status_shm.c
@@ -247,7 +247,7 @@ ngx_http_vhost_traffic_status_shm_add_node_cache(ngx_http_request_t *r,
     }
 
     if (init == NGX_HTTP_VHOST_TRAFFIC_STATUS_NODE_NONE) {
-        vtsn->stat_cache_max_size = (ngx_atomic_uint_t) (cache->max_size * cache->bsize);
+        vtsn->stat_cache_max_size = (ngx_atomic_uint_t) cache->shm_zone->shm.size;
 
     } else {
         ngx_shmtx_lock(&cache->shpool->mutex);