diff --git a/services/history-v1/storage/lib/backupVerifier.mjs b/services/history-v1/storage/lib/backupVerifier.mjs
index 83952768c2..ba1b1bafab 100644
--- a/services/history-v1/storage/lib/backupVerifier.mjs
+++ b/services/history-v1/storage/lib/backupVerifier.mjs
@@ -221,23 +221,25 @@ export async function verifyProject(historyId, endTimestamp) {
 export class BackupCorruptedError extends OError {}
 export class BackupRPOViolationError extends OError {}
 
-const HEALTH_CHECK_PROJECTS = JSON.parse(config.get('healthCheckProjects'))
 export async function healthCheck() {
-  if (!Array.isArray(HEALTH_CHECK_PROJECTS)) {
-    throw new Error('expected healthCheckProjects to be an array')
+  /** @type {Array<string>} */
+  const HEALTH_CHECK_BLOBS = JSON.parse(config.get('healthCheckBlobs'))
+  if (HEALTH_CHECK_BLOBS.length !== 2) {
+    throw new Error('expected 2 healthCheckBlobs')
   }
-  if (HEALTH_CHECK_PROJECTS.length !== 2) {
-    throw new Error('expected 2 healthCheckProjects')
+  if (!HEALTH_CHECK_BLOBS.some(path => path.split('/')[0].length === 24)) {
+    throw new Error('expected mongo id in healthCheckBlobs')
   }
-  if (!HEALTH_CHECK_PROJECTS.some(id => id.length === 24)) {
-    throw new Error('expected mongo id in healthCheckProjects')
+  if (!HEALTH_CHECK_BLOBS.some(path => path.split('/')[0].length < 24)) {
+    throw new Error('expected postgres id in healthCheckBlobs')
   }
-  if (!HEALTH_CHECK_PROJECTS.some(id => id.length < 24)) {
-    throw new Error('expected postgres id in healthCheckProjects')
+  if (HEALTH_CHECK_BLOBS.some(path => path.split('/')[1]?.length !== 40)) {
+    throw new Error('expected hash in healthCheckBlobs')
   }
 
-  for (const historyId of HEALTH_CHECK_PROJECTS) {
-    await verifyProjectWithErrorContext(historyId)
+  for (const path of HEALTH_CHECK_BLOBS) {
+    const [historyId, hash] = path.split('/')
+    await verifyBlob(historyId, hash)
   }
 }
 export class BackupCorruptedMissingBlobError extends BackupCorruptedError {}