diff --git a/lib/network.js b/lib/network.js
index 3566ce6..8b475bc 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -1503,26 +1503,26 @@ function networkGatewayDefault(callback) {
         try {
           exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
             if (!error) {
-              let lines = stdout.toString().split('\n').map(line => line.trim());
+              const lines = stdout.toString().split('\n').map(line => line.trim());
               result = util.getValue(lines, 'gateway');
-              if (!result) {
-                cmd = 'netstat -rn | awk \'/default/ {print $2}\'';
-                exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
-                  lines = stdout.toString().split('\n').map(line => line.trim());
-                  result = lines.find(line => (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(line)));
-                  if (callback) {
-                    callback(result);
-                  }
-                  resolve(result);
-                });
-              } else {
+            }
+            if (!result) {
+              cmd = 'netstat -rn | awk \'/default/ {print $2}\'';
+              exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+                const lines = stdout.toString().split('\n').map(line => line.trim());
+                result = lines.find(line => (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(line)));
                 if (callback) {
                   callback(result);
                 }
                 resolve(result);
+              });
+            } else {
+              if (callback) {
+                callback(result);
               }
+              resolve(result);
             }
-            });
+          });
         } catch (e) {
           if (callback) { callback(result); }
           resolve(result);