diff --git a/healthcare/hl7v2/hl7v2_messages.js b/healthcare/hl7v2/hl7v2_messages.js
index 6c632ae7c2..9ae2ba2823 100644
--- a/healthcare/hl7v2/hl7v2_messages.js
+++ b/healthcare/hl7v2/hl7v2_messages.js
@@ -209,8 +209,10 @@ function patchHl7v2Message(
   const request = {
     name: hl7v2Message,
     updateMask: 'labels',
-    labels: {
-      labelKey: labelValue,
+    resource: {
+      labels: {
+        labelKey: labelValue,
+      },
     },
   };