diff --git a/examples/protocols/sockets/udp_server/main/udp_server.c b/examples/protocols/sockets/udp_server/main/udp_server.c
index 336388f7..eb02fdea 100644
--- a/examples/protocols/sockets/udp_server/main/udp_server.c
+++ b/examples/protocols/sockets/udp_server/main/udp_server.c
@@ -37,7 +37,9 @@
 static EventGroupHandle_t wifi_event_group;
 
 const int IPV4_GOTIP_BIT = BIT0;
+#ifdef CONFIG_EXAMPLE_IPV6
 const int IPV6_GOTIP_BIT = BIT1;
+#endif
 
 static const char *TAG = "example";
 
@@ -49,8 +51,10 @@ static esp_err_t event_handler(void *ctx, system_event_t *event)
         ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
         break;
     case SYSTEM_EVENT_STA_CONNECTED:
+#ifdef CONFIG_EXAMPLE_IPV6
         /* enable ipv6 */
         tcpip_adapter_create_ip6_linklocal(TCPIP_ADAPTER_IF_STA);
+#endif
         break;
     case SYSTEM_EVENT_STA_GOT_IP:
         xEventGroupSetBits(wifi_event_group, IPV4_GOTIP_BIT);
@@ -60,14 +64,18 @@ static esp_err_t event_handler(void *ctx, system_event_t *event)
         /* This is a workaround as ESP32 WiFi libs don't currently auto-reassociate. */
         esp_wifi_connect();
         xEventGroupClearBits(wifi_event_group, IPV4_GOTIP_BIT);
+#ifdef CONFIG_EXAMPLE_IPV6
         xEventGroupClearBits(wifi_event_group, IPV6_GOTIP_BIT);
+#endif
         break;
     case SYSTEM_EVENT_AP_STA_GOT_IP6:
+#ifdef CONFIG_EXAMPLE_IPV6
         xEventGroupSetBits(wifi_event_group, IPV6_GOTIP_BIT);
         ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP6");
 
         char *ip6 = ip6addr_ntoa(&event->event_info.got_ip6.ip6_info.ip);
         ESP_LOGI(TAG, "IPv6: %s", ip6);
+#endif
     default:
         break;
     }
@@ -96,7 +104,11 @@ static void initialise_wifi(void)
 
 static void wait_for_ip()
 {
-    uint32_t bits = IPV4_GOTIP_BIT | IPV6_GOTIP_BIT ;
+#ifdef CONFIG_EXAMPLE_IPV6
+    uint32_t bits = IPV4_GOTIP_BIT | IPV6_GOTIP_BIT;
+#else
+    uint32_t bits = IPV4_GOTIP_BIT;
+#endif
 
     ESP_LOGI(TAG, "Waiting for AP connection...");
     xEventGroupWaitBits(wifi_event_group, bits, false, true, portMAX_DELAY);
@@ -146,7 +158,11 @@ static void udp_server_task(void *pvParameters)
         while (1) {
 
             ESP_LOGI(TAG, "Waiting for data");
+#ifdef CONFIG_EXAMPLE_IPV6
             struct sockaddr_in6 sourceAddr; // Large enough for both IPv4 or IPv6
+#else
+            struct sockaddr_in sourceAddr;
+#endif
             socklen_t socklen = sizeof(sourceAddr);
             int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0, (struct sockaddr *)&sourceAddr, &socklen);
 
@@ -158,11 +174,15 @@ static void udp_server_task(void *pvParameters)
             // Data received
             else {
                 // Get the sender's ip address as string
+#ifdef CONFIG_EXAMPLE_IPV6
                 if (sourceAddr.sin6_family == PF_INET) {
                     inet_ntoa_r(((struct sockaddr_in *)&sourceAddr)->sin_addr.s_addr, addr_str, sizeof(addr_str) - 1);
                 } else if (sourceAddr.sin6_family == PF_INET6) {
                     inet6_ntoa_r(sourceAddr.sin6_addr, addr_str, sizeof(addr_str) - 1);
                 }
+#else
+                inet_ntoa_r(((struct sockaddr_in *)&sourceAddr)->sin_addr.s_addr, addr_str, sizeof(addr_str) - 1);
+#endif
 
                 rx_buffer[len] = 0; // Null-terminate whatever we received and treat like a string...
                 ESP_LOGI(TAG, "Received %d bytes from %s:", len, addr_str);