diff --git a/dotnet/src/Functions/Functions.OpenApi/Serialization/OpenApiTypeConverter.cs b/dotnet/src/Functions/Functions.OpenApi/Serialization/OpenApiTypeConverter.cs
index 5b7422950d15..dbed711cd3c1 100644
--- a/dotnet/src/Functions/Functions.OpenApi/Serialization/OpenApiTypeConverter.cs
+++ b/dotnet/src/Functions/Functions.OpenApi/Serialization/OpenApiTypeConverter.cs
@@ -30,7 +30,12 @@ public static JsonNode Convert(string name, string type, object argument)
                 "string" => JsonValue.Create(argument),
                 "array" => argument switch
                 {
-                    string s => JsonArray.Parse(s) as JsonArray,
+#if NETSTANDARD2_1_OR_GREATER
+                    string s when s.Trim().StartsWith('[') => JsonArray.Parse(s) as JsonArray,
+#else
+                    string s when s.Trim().StartsWith("[", StringComparison.OrdinalIgnoreCase) => JsonArray.Parse(s) as JsonArray,
+#endif
+                    string s => [JsonValue.Create(s)],
                     _ => JsonSerializer.SerializeToNode(argument) as JsonArray
                 },
                 "integer" => argument switch
diff --git a/dotnet/src/Functions/Functions.UnitTests/OpenApi/Serialization/OpenApiTypeConverterTests.cs b/dotnet/src/Functions/Functions.UnitTests/OpenApi/Serialization/OpenApiTypeConverterTests.cs
index 9331bb0b55a2..9ec1ee5f3a39 100644
--- a/dotnet/src/Functions/Functions.UnitTests/OpenApi/Serialization/OpenApiTypeConverterTests.cs
+++ b/dotnet/src/Functions/Functions.UnitTests/OpenApi/Serialization/OpenApiTypeConverterTests.cs
@@ -111,5 +111,7 @@ public void ItShouldConvertCollections()
         Assert.Equal("[1,2,3]", OpenApiTypeConverter.Convert("id", "array", new Collection() { 1, 2, 3 }).ToJsonString());
 
         Assert.Equal("[1,2,3]", OpenApiTypeConverter.Convert("id", "array", "[1, 2, 3]").ToJsonString());
+
+        Assert.Equal("[\"createdDate desc\"]", OpenApiTypeConverter.Convert("id", "array", "createdDate desc").ToJsonString());
     }
 }