diff --git a/ThunderstoreCLI/Configuration/CLIParameterConfig.cs b/ThunderstoreCLI/Configuration/CLIParameterConfig.cs
index 40f5d3d..9bc8fac 100644
--- a/ThunderstoreCLI/Configuration/CLIParameterConfig.cs
+++ b/ThunderstoreCLI/Configuration/CLIParameterConfig.cs
@@ -18,7 +18,9 @@ public override GeneralConfig GetGeneralConfig()
     }
 }
 
-public abstract class CLIParameterConfig<T> : BaseConfig<T> where T : PackageOptions
+public interface CLIConfig { }
+
+public abstract class CLIParameterConfig<T> : BaseConfig<T>, CLIConfig where T : PackageOptions
 {
     public CLIParameterConfig(T opts) : base(opts) { }
 
diff --git a/ThunderstoreCLI/Configuration/Config.cs b/ThunderstoreCLI/Configuration/Config.cs
index 254f9cc..28d3aac 100644
--- a/ThunderstoreCLI/Configuration/Config.cs
+++ b/ThunderstoreCLI/Configuration/Config.cs
@@ -33,7 +33,7 @@ public static Config FromCLI(IConfigProvider cliConfig)
         List<IConfigProvider> providers = new();
         providers.Add(cliConfig);
         providers.Add(new EnvironmentConfig());
-        if (cliConfig.GetType().IsSubclassOf(typeof(CLIParameterConfig<>)))
+        if (cliConfig is CLIConfig)
             providers.Add(new ProjectFileConfig());
         providers.Add(new BaseConfig());
         return Parse(providers.ToArray());