diff --git a/src/terminal_api_driver.cpp b/src/terminal_api_driver.cpp
index cbc33ea..ed60200 100644
--- a/src/terminal_api_driver.cpp
+++ b/src/terminal_api_driver.cpp
@@ -69,13 +69,13 @@ public:
     std::string managementIp, managementGateway, mode, dataIp;
     unsigned int dataMtu = 1500;
 
-    TerminalNetworkSettings() { this->reset(); }
+    TerminalNetworkSettings() = default;
     TerminalNetworkSettings(const TerminalNetworkSettings& src) = default;
     ~TerminalNetworkSettings() = default;
 
     TerminalNetworkSettings& operator= (const TerminalNetworkSettings& src) = default;
 
-    void reset() {
+    void loadDefaults() {
         managementIp = "0.0.0.0/0";
         managementGateway = "";
         mode = "l2";
@@ -185,6 +185,7 @@ private:
         if (tmp == "tun") {
             s.mode = "l3";
             CP_GetNetwork(sid, "addr_data", &s.dataIp);
+            s.dataIp += "/24";
         } else {
             s.mode = "l2";
             s.dataIp = "0.0.0.0/24";
@@ -460,7 +461,7 @@ public:
 
         if (readback) {
             std::string tmp;
-            s.reset();
+            s.loadDefaults();
             s.managementIp.clear();
             CP_GetNetwork(sid, "addr", &s.managementIp);
             CP_GetNetwork(sid, "mask", &tmp);
diff --git a/static/main.html b/static/main.html
index 619d57f..c10a663 100644
--- a/static/main.html
+++ b/static/main.html
@@ -1618,7 +1618,8 @@
 
             const doFetchAbout = async () => {
                 try {
-                    let d = await fetch("/api/get/aboutFirmware")
+                    const fr = await fetch("/api/get/aboutFirmware")
+                    const d = await fr.json()
                     this.about.firmwareVersion = d["fw.version"]
                     this.about.modemUid = d["fw.modemId"]
                     this.about.modemSn = d["fw.modemSn"]