diff --git a/APIs/src/CGTypeSync/Program.cs b/APIs/src/CGTypeSync/Program.cs
index 63ae29c8..6e6e10f3 100644
--- a/APIs/src/CGTypeSync/Program.cs
+++ b/APIs/src/CGTypeSync/Program.cs
@@ -153,7 +153,8 @@ public static void Run(IConfiguration configuration,
 
                 if (parentTypes != null && parentTypes.Count() > 0)
                 {
-                    inheritedFromType = string.Join(',', parentTypes.Select(type=> type.ToString()));
+                    //inheritedFromType = string.Join(',', parentTypes.Select(type=> type.ToString()));
+                    inheritedFromType = parentTypes.Select(type => type.ToString()).First();
                     inheritedFromType = $":{inheritedFromType}";
                 }
                 sb.AppendLine($"    public partial class {propertyTypeName}{inheritedFromType}");