diff --git a/dev-infra/ng-dev.js b/dev-infra/ng-dev.js
index fe7ff2bf05..1ce1b0340e 100755
--- a/dev-infra/ng-dev.js
+++ b/dev-infra/ng-dev.js
@@ -3437,7 +3437,7 @@ function loadAndValidatePullRequest(_a, prNumber, ignoreNonFatalFailures) {
                     if (state === 'PENDING' && !ignoreNonFatalFailures) {
                         return [2 /*return*/, PullRequestFailure.pendingCiJobs()];
                     }
-                    githubTargetBranch = prData.baseRefOid;
+                    githubTargetBranch = prData.baseRefName;
                     requiredBaseSha = config.requiredBaseCommits && config.requiredBaseCommits[githubTargetBranch];
                     needsCommitMessageFixup = !!config.commitMessageFixupLabel &&
                         labels.some(function (name) { return matchesPattern(name, config.commitMessageFixupLabel); });
@@ -3489,7 +3489,7 @@ var PR_SCHEMA$2 = {
                 },
             }],
     }),
-    baseRefOid: typedGraphqlify.types.string,
+    baseRefName: typedGraphqlify.types.string,
     title: typedGraphqlify.types.string,
     labels: typedGraphqlify.params({ first: 100 }, {
         nodes: [{
diff --git a/dev-infra/pr/merge/pull-request.ts b/dev-infra/pr/merge/pull-request.ts
index 4b80a543c4..c79435103d 100644
--- a/dev-infra/pr/merge/pull-request.ts
+++ b/dev-infra/pr/merge/pull-request.ts
@@ -92,7 +92,7 @@ export async function loadAndValidatePullRequest(
     return PullRequestFailure.pendingCiJobs();
   }
 
-  const githubTargetBranch = prData.baseRefOid;
+  const githubTargetBranch = prData.baseRefName;
   const requiredBaseSha =
       config.requiredBaseCommits && config.requiredBaseCommits[githubTargetBranch];
   const needsCommitMessageFixup = !!config.commitMessageFixupLabel &&
@@ -145,7 +145,7 @@ const PR_SCHEMA = {
       },
     }],
   }),
-  baseRefOid: graphQLTypes.string,
+  baseRefName: graphQLTypes.string,
   title: graphQLTypes.string,
   labels: params({first: 100}, {
     nodes: [{