diff --git a/Tranga/Server.cs b/Tranga/Server.cs
index 2f94991..c1d7fbb 100644
--- a/Tranga/Server.cs
+++ b/Tranga/Server.cs
@@ -423,6 +423,10 @@ public class Server : GlobalBase
                 settings.UpdateUserAgent(customUserAgent);
                 SendResponse(HttpStatusCode.Accepted, response);
                 break;
+            case "Settings/userAgent/Reset":
+                settings.UpdateUserAgent(null);
+                SendResponse(HttpStatusCode.Accepted, response);
+                break;
             case "Settings/customRequestLimit":
                 if (!requestVariables.TryGetValue("requestType", out string? requestTypeStr) ||
                     !requestVariables.TryGetValue("requestsPerMinute", out string? requestsPerMinuteStr) ||
diff --git a/Tranga/TrangaSettings.cs b/Tranga/TrangaSettings.cs
index 534e357..4fae2fb 100644
--- a/Tranga/TrangaSettings.cs
+++ b/Tranga/TrangaSettings.cs
@@ -129,9 +129,9 @@ public class TrangaSettings
         ExportSettings();
     }
 
-    public void UpdateUserAgent(string customUserAgent)
+    public void UpdateUserAgent(string? customUserAgent)
     {
-        this.userAgent = customUserAgent.Length < 1 ? DefaultUserAgent : customUserAgent;
+        this.userAgent = customUserAgent ?? DefaultUserAgent;
         ExportSettings();
     }