diff --git a/src/Jackett.Common/Utils/Clients/WebClient.cs b/src/Jackett.Common/Utils/Clients/WebClient.cs
index c0efb373a..1a1cdbdf7 100644
--- a/src/Jackett.Common/Utils/Clients/WebClient.cs
+++ b/src/Jackett.Common/Utils/Clients/WebClient.cs
@@ -174,8 +174,7 @@ namespace Jackett.Common.Utils.Clients
                 var postData = "";
                 if (request.Type == RequestType.POST)
                 {
-                    var lines = request.PostData?.Select(kvp => kvp.Key + "=" + kvp.Value);
-                    lines ??= new List<string>();
+                    var lines = request.PostData?.Select(kvp => kvp.Key + "=" + kvp.Value).ToList() ?? new List<string>();
                     postData = $" PostData: {{{string.Join(", ", lines)}}} RawBody: {request.RawBody}";
                 }
                 logger.Debug($"WebClient({ClientType}).GetResultAsync(Method: {request.Type} Url: {request.Url}{postData})");
diff --git a/src/Jackett.Test/Utils/Logging/CleanseLogMessageFixture.cs b/src/Jackett.Test/Utils/Logging/CleanseLogMessageFixture.cs
new file mode 100644
index 000000000..1d1942c3f
--- /dev/null
+++ b/src/Jackett.Test/Utils/Logging/CleanseLogMessageFixture.cs
@@ -0,0 +1,20 @@
+using FluentAssertions;
+using Jackett.Common.Utils.Logging;
+using NUnit.Framework;
+
+namespace Jackett.Test.Utils.Logging
+{
+    [TestFixture]
+    public class CleanseLogMessageFixture
+    {
+        [TestCase(@"WebClient(HttpWebClient2).GetResultAsync(Method: POST Url: https://some-site.org/takelogin.php PostData: {username=mySecret, password=mySecret} RawBody: )")]
+        public void should_clean_message(string message)
+        {
+            var cleansedMessage = CleanseLogMessage.Cleanse(message);
+
+            cleansedMessage.Should().NotContain("mySecret");
+            cleansedMessage.Should().NotContain("123%@%_@!#^#@");
+            cleansedMessage.Should().NotContain("01233210");
+        }
+    }
+}