diff --git a/debian/setup_raspberry.sh b/debian/setup_raspberry.sh
index 71e0105..ae5d84f 100644
--- a/debian/setup_raspberry.sh
+++ b/debian/setup_raspberry.sh
@@ -105,61 +105,35 @@ download_file() {
     fi
 }
 
-# Function to configure MAC address
+# Função para configurar o endereço MAC
 configure_mac() {
     local mac_script="$SCRIPT_DIR/set_mac_wifi.sh"
-    local new_mac=$1
 
     if [ ! -f "$mac_script" ]; then
         log "${RED}MAC address script not found${NC}"
         return 1
     fi
 
-    # Validate MAC address format
-    if validate_mac "$new_mac"; then
-        # Normalize to use colons
-        new_mac=$(echo "$new_mac" | tr '-' ':')
-        # Update MAC address in script
-        sed -i "s/ETH0_MAC=.*/ETH0_MAC=\"$new_mac\"/" "$mac_script"
-        log "${GREEN}MAC address updated to $new_mac${NC}"
-        return 0
-    else
-        log "${RED}Invalid MAC address format: $new_mac. Please use format XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX${NC}"
-        return 1
-    fi
+    # Atualiza o script para gerar um MAC address automaticamente
+    # Remove qualquer definição existente de ETH0_MAC para garantir que o script gere um novo
+    sed -i '/ETH0_MAC=.*/d' "$mac_script"
+
+    log "${GREEN}MAC address will be generated automatically by the script${NC}"
+    return 0
 }
 
-# Function to setup MAC address
+# Função para configurar o endereço MAC
 setup_mac_address() {
-    if ask_confirmation "Do you want to configure the MAC address for eth0?" "n"; then
+    if ask_confirmation "Do you want to configure the MAC address for eth0 automatically?" "n"; then
         download_file "set_mac_wifi.sh" "$SCRIPT_DIR" || return 1
 
-        local mac_script="$SCRIPT_DIR/set_mac_wifi.sh"
-
-        # If MAC address was provided as parameter, use it
-        if [ -n "$1" ]; then
-            if configure_mac "$1"; then
-                return 0
-            else
-                log "${RED}Failed to configure MAC address${NC}"
-                return 1
-            fi
+        if configure_mac; then
+            log "${GREEN}MAC address setup completed successfully${NC}"
+            return 0
+        else
+            log "${RED}Failed to configure MAC address${NC}"
+            return 1
         fi
-
-        # Prompt for MAC address
-        while true; do
-            read -p "Enter MAC address for eth0 (format: XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX): " new_mac < /dev/tty
-            if validate_mac "$new_mac"; then
-                if configure_mac "$new_mac"; then
-                    return 0
-                else
-                    log "${RED}Failed to configure MAC address${NC}"
-                    return 1
-                fi
-            else
-                log "${RED}Invalid MAC address format. Please use format XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX${NC}"
-            fi
-        done
     else
         log "${YELLOW}Skipping MAC address configuration${NC}"
         return 1