diff --git a/lib/entry-points.js b/lib/entry-points.js
index ede4701fd..aeb16a4d2 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -178502,7 +178502,7 @@ async function recordClearCleanupSizes(codeql, config, reports, logger2) {
   }
 }
 async function uploadBundledDatabase(repositoryNwo, language, commitOid, bundledDb, bundledDbSize, apiDetails) {
-  const client = getApiClient();
+  const client = getApiClient(getEnv(), apiDetails);
   const uploadsUrl = new URL(parseGitHubUrl(apiDetails.url));
   uploadsUrl.hostname = `uploads.${uploadsUrl.hostname}`;
   let uploadsBaseUrl = uploadsUrl.toString();
diff --git a/src/database-upload.ts b/src/database-upload.ts
index 07b1626b4..75caa46ca 100644
--- a/src/database-upload.ts
+++ b/src/database-upload.ts
@@ -267,7 +267,10 @@ async function uploadBundledDatabase(
   bundledDbSize: number,
   apiDetails: GitHubApiDetails,
 ): Promise<number> {
-  const client = getApiClient();
+  // Ensure that the `apiDetails` that `getApiClient` uses match the ones we were given here,
+  // because we use `apiDetails.auth` below which must be used with the same instance that
+  // `apiDetails` refers to.
+  const client = getApiClient(util.getEnv(), apiDetails);
 
   const uploadsUrl = new URL(parseGitHubUrl(apiDetails.url));
   uploadsUrl.hostname = `uploads.${uploadsUrl.hostname}`;