diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index 29aacc035..572def263 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -210,6 +210,18 @@ ngx_set_inherited_sockets(ngx_cycle_t *cycle)
 
         olen = sizeof(int);
 
+        if (getsockopt(ls[i].fd, SOL_SOCKET, SO_TYPE, (void *) &ls[i].type,
+                       &olen)
+            == -1)
+        {
+            ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno,
+                          "getsockopt(SO_TYPE) %V failed", &ls[i].addr_text);
+            ls[i].ignore = 1;
+            continue;
+        }
+
+        olen = sizeof(int);
+
         if (getsockopt(ls[i].fd, SOL_SOCKET, SO_RCVBUF, (void *) &ls[i].rcvbuf,
                        &olen)
             == -1)
@@ -274,6 +286,10 @@ ngx_set_inherited_sockets(ngx_cycle_t *cycle)
 
 #endif
 
+        if (ls[i].type != SOCK_STREAM) {
+            continue;
+        }
+
 #if (NGX_HAVE_TCP_FASTOPEN)
 
         olen = sizeof(int);
diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
index f1032668a..5785eb5b5 100644
--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -512,6 +512,10 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
                     continue;
                 }
 
+                if (ls[i].type != nls[n].type) {
+                    continue;
+                }
+
                 if (ngx_cmp_sockaddr(nls[n].sockaddr, nls[n].socklen,
                                      ls[i].sockaddr, ls[i].socklen, 1)
                     == NGX_OK)