diff --git a/tools/test_apps/system/gdb/main/hello_world_main.c b/tools/test_apps/system/gdb/main/hello_world_main.c
index 915866a4c2..d924e14435 100644
--- a/tools/test_apps/system/gdb/main/hello_world_main.c
+++ b/tools/test_apps/system/gdb/main/hello_world_main.c
@@ -25,7 +25,9 @@ void app_main(void)
            (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
            (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");
 
-    printf("silicon revision %d, ", chip_info.revision);
+    unsigned major_rev = chip_info.revision / 100;
+    unsigned minor_rev = chip_info.revision % 100;
+    printf("silicon revision v%d.%d, ", major_rev, minor_rev);
     if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
         printf("Get flash size failed");
         return;