diff --git a/webapi/Extensions/ISemanticMemoryClientExtensions.cs b/webapi/Extensions/ISemanticMemoryClientExtensions.cs
index 59d3d9cbb..b6782faf7 100644
--- a/webapi/Extensions/ISemanticMemoryClientExtensions.cs
+++ b/webapi/Extensions/ISemanticMemoryClientExtensions.cs
@@ -99,7 +99,7 @@ await memoryClient.SearchAsync(
                 indexName,
                 filter,
                 null,
-                0,
+                relevanceThreshold, // minRelevance param
                 resultCount,
                 cancellationToken);