diff --git a/src/Microsoft.FeatureManagement/Targeting/ContextualTargetingFilter.cs b/src/Microsoft.FeatureManagement/Targeting/ContextualTargetingFilter.cs
index e0d7fc7b..36e68d83 100644
--- a/src/Microsoft.FeatureManagement/Targeting/ContextualTargetingFilter.cs
+++ b/src/Microsoft.FeatureManagement/Targeting/ContextualTargetingFilter.cs
@@ -71,6 +71,13 @@ public Task<bool> EvaluateAsync(FeatureFilterEvaluationContext context, ITargeti
             // Check if prebound settings available, otherwise bind from parameters.
             TargetingFilterSettings settings = (TargetingFilterSettings)context.Settings ?? (TargetingFilterSettings)BindParameters(context.Parameters);
 
+            //
+            // If prebound settings is not available, which means BindParameters method is not called, we need to validate the feature filter settings.
+            if (context.Settings == null && !TargetingEvaluator.TryValidateSettings(settings, out string paramName, out string reason))
+            {
+                throw new ArgumentException(reason, paramName);
+            }
+
             return Task.FromResult(TargetingEvaluator.IsTargeted(targetingContext, settings, _options.IgnoreCase, context.FeatureName));
         }
     }