diff --git a/src/main/java/gov/cms/madie/resources/PackageController.java b/src/main/java/gov/cms/madie/resources/PackageController.java
index 53bef53..8d7972f 100644
--- a/src/main/java/gov/cms/madie/resources/PackageController.java
+++ b/src/main/java/gov/cms/madie/resources/PackageController.java
@@ -70,7 +70,7 @@ public ResponseEntity<String> generateHqmf(
     // generate HQMF if the model type is QDM
     if (measure != null && measure.getModel() != null && measure.getModel().contains("QDM")) {
       return ResponseEntity.ok()
-          .contentType(MediaType.APPLICATION_XML)
+          .header("Content-Type", MediaType.APPLICATION_XML_VALUE)
           .body(hqmfService.generateHqmf((QdmMeasure) measure));
     }
     throw new UnsupportedModelException(