diff --git a/Source/buildimplementationcpp.go b/Source/buildimplementationcpp.go
index 706e8773..5ecae520 100644
--- a/Source/buildimplementationcpp.go
+++ b/Source/buildimplementationcpp.go
@@ -972,6 +972,9 @@ func buildOutCacheTemplateParameters (method ComponentDefinitionMethod, NameSpac
 			}
 		
 			cppParamType := getCppParamType(param, NameSpace, true);
+			if param.ParamType == "class" || param.ParamType == "optionalclass" {
+				cppParamType = "IBase*";
+			} 
 			result += cppParamType;
 		}