diff --git a/ngx_rtmp_stat_module.c b/ngx_rtmp_stat_module.c
index 944592b..e77884f 100644
--- a/ngx_rtmp_stat_module.c
+++ b/ngx_rtmp_stat_module.c
@@ -458,6 +458,7 @@ ngx_rtmp_stat_handler(ngx_http_request_t *r)
     size_t                          n;
     off_t                           len;
     static u_char                   tbuf[NGX_TIME_T_LEN + 1];
+    static u_char                   nbuf[NGX_OFF_T_LEN + 1];
 
     r->keepalive = 0;
     slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
@@ -492,6 +493,11 @@ ngx_rtmp_stat_handler(ngx_http_request_t *r)
 #endif
     NGX_RTMP_STAT_L("<built>" __DATE__ " " __TIME__ "</built>\r\n");
 
+    NGX_RTMP_STAT_L("<pid>");
+    NGX_RTMP_STAT(nbuf, ngx_snprintf(nbuf, sizeof(nbuf),
+                  "%ui", (ngx_uint_t) ngx_getpid()) - nbuf);
+    NGX_RTMP_STAT_L("</pid>\r\n");
+
     NGX_RTMP_STAT_L("<uptime>");
     NGX_RTMP_STAT(tbuf, ngx_snprintf(tbuf, sizeof(tbuf),
                 "%T", ngx_cached_time->sec - start_time) - tbuf);
diff --git a/stat.xsl b/stat.xsl
index 04abff4..f744e0a 100644
--- a/stat.xsl
+++ b/stat.xsl
@@ -13,6 +13,7 @@
             <hr/>
             Generated by <a href='https://github.com/arut/nginx-rtmp-module'>NGINX RTMP module</a>,
             <a href="http://nginx.com">NGINX</a>&#160;<xsl:value-of select="/rtmp/version"/>,
+            pid <xsl:value-of select="/rtmp/pid"/>,
             built <xsl:value-of select="/rtmp/built"/>&#160;<xsl:value-of select="/rtmp/compiler"/>
         </body>
     </html>