diff --git a/CHANGELOG.md b/CHANGELOG.md
index 072f0954..17893a1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Deleted custom formats are now included in the log message showing the count of CFs synced.
+- An error will now be presented if an invalid option is specified on the CLI.
 
 ## [4.3.0] - 2023-01-22
 
diff --git a/src/Recyclarr.Cli/Program.cs b/src/Recyclarr.Cli/Program.cs
index e5267634..1db4f709 100644
--- a/src/Recyclarr.Cli/Program.cs
+++ b/src/Recyclarr.Cli/Program.cs
@@ -38,6 +38,8 @@ internal static partial class Program
         #endif
 
             config.Settings.PropagateExceptions = true;
+            config.Settings.StrictParsing = true;
+
             config.SetApplicationName("recyclarr");
             // config.SetApplicationVersion("v1.2.3");