diff --git a/modules/openapi-generator/src/main/resources/cpp-ue4/api-operations-source.mustache b/modules/openapi-generator/src/main/resources/cpp-ue4/api-operations-source.mustache
index 4d262483e1f3..b2e621e7859e 100644
--- a/modules/openapi-generator/src/main/resources/cpp-ue4/api-operations-source.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-ue4/api-operations-source.mustache
@@ -170,11 +170,28 @@ void {{classname}}::{{operationIdCamelCase}}Request::SetupHttpRequest(const FHtt
 		HttpRequest->SetHeader(TEXT("Content-Type"), TEXT("application/json; charset=utf-8"));
 		HttpRequest->SetContentAsString(JsonBody);
 		{{/bodyParams.0}}
-		{{#formParams.0}}
+		{{^bodyParams.0}}
+		// Form parameters
+		FString JsonBody;
+		JsonWriter Writer = TJsonWriterFactory<>::Create(&JsonBody);
+		Writer->WriteObjectStart();
 		{{#formParams}}
-		UE_LOG(Log{{unrealModuleName}}, Error, TEXT("Form parameter ({{baseName}}) was ignored, cannot be used in JsonBody"));
+		{{#required}}
+		Writer->WriteIdentifierPrefix(TEXT("{{baseName}}"));
+		WriteJsonValue(Writer, {{paramName}});
+		{{/required}}
+		{{^required}}
+		if ({{paramName}}.IsSet()){
+			Writer->WriteIdentifierPrefix(TEXT("{{baseName}}"));
+			WriteJsonValue(Writer, {{paramName}}.GetValue());
+		}
+		{{/required}}
 		{{/formParams}}
-		{{/formParams.0}}
+		Writer->WriteObjectEnd();
+		Writer->Close();
+		HttpRequest->SetHeader(TEXT("Content-Type"), TEXT("application/json; charset=utf-8"));
+		HttpRequest->SetContentAsString(JsonBody);
+		{{/bodyParams.0}}
 	}
 	else if (Consumes.Contains(TEXT("multipart/form-data")))
 	{