diff --git a/hls/ngx_rtmp_hls_module.c b/hls/ngx_rtmp_hls_module.c
index d018811..94e393b 100644
--- a/hls/ngx_rtmp_hls_module.c
+++ b/hls/ngx_rtmp_hls_module.c
@@ -1050,7 +1050,7 @@ ngx_rtmp_hls_open_fragment(ngx_rtmp_session_t *s, uint64_t ts,
     }
 
     // This is continuity counter for TS header
-    mpegts_cc = (ctx->nfrags + ctx->frag);
+    mpegts_cc = (ngx_uint_t)(ctx->nfrags + ctx->frag);
 
     ngx_log_debug7(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
                    "hls: open fragment file='%s', keyfile='%s', "
diff --git a/ngx_rtmp_codec_module.c b/ngx_rtmp_codec_module.c
index 2f1eb68..228536d 100644
--- a/ngx_rtmp_codec_module.c
+++ b/ngx_rtmp_codec_module.c
@@ -454,7 +454,7 @@ ngx_rtmp_codec_parse_avc_header(ngx_rtmp_session_t *s, ngx_chain_t *in)
                         if (sl_next != 0) {
 
                             /* convert to signed: (-1)**k+1 * ceil(k/2) */
-                            sl_udelta = ngx_rtmp_bit_read_golomb(&br);
+                            sl_udelta = (ngx_uint_t)ngx_rtmp_bit_read_golomb(&br);
                             sl_delta = (sl_udelta + 1) >> 1;
                             if ((sl_udelta & 1) == 0) {
                                 sl_delta = -sl_delta;
diff --git a/ngx_rtmp_core_module.c b/ngx_rtmp_core_module.c
index 567f011..c03183e 100644
--- a/ngx_rtmp_core_module.c
+++ b/ngx_rtmp_core_module.c
@@ -504,6 +504,9 @@ ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
     struct sockaddr            *sa;
     ngx_rtmp_listen_t          *ls;
     struct sockaddr_in         *sin;
+#if (nginx_version >= 1011000)
+    u_char                     *sa_cp;
+#endif
     ngx_rtmp_core_main_conf_t  *cmcf;
 #if (NGX_HAVE_INET6)
     struct sockaddr_in6        *sin6;
@@ -558,7 +561,8 @@ ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         }
 
 #if (nginx_version >= 1011000)
-        if (ngx_memcmp(ls[i].sockaddr + off, &u.sockaddr + off, len) != 0) {
+        sa_cp = (u_char *)(&u.sockaddr);
+        if (ngx_memcmp(ls[i].sockaddr + off, sa_cp + off, len) != 0) {
 #else
         if (ngx_memcmp(ls[i].sockaddr + off, u.sockaddr + off, len) != 0) {
 #endif
@@ -582,7 +586,8 @@ ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
     ngx_memzero(ls, sizeof(ngx_rtmp_listen_t));
 
 #if (nginx_version >= 1011000)
-    ngx_memcpy(ls->sockaddr, &u.sockaddr, u.socklen);
+    sa_cp = (u_char *)(&u.sockaddr);
+    ngx_memcpy(ls->sockaddr, sa_cp, u.socklen);
 #else
     ngx_memcpy(ls->sockaddr, u.sockaddr, u.socklen);
 #endif
@@ -600,7 +605,6 @@ ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 
         if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) {
 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
-            struct sockaddr  *sa;
             u_char            buf[NGX_SOCKADDR_STRLEN];
 
             sa = (struct sockaddr *) ls->sockaddr;