diff --git a/lib/platform/github/__snapshots__/index.spec.ts.snap b/lib/platform/github/__snapshots__/index.spec.ts.snap
index 16e5a208f8caf0..6ad946476d21ea 100644
--- a/lib/platform/github/__snapshots__/index.spec.ts.snap
+++ b/lib/platform/github/__snapshots__/index.spec.ts.snap
@@ -111,8 +111,14 @@ Array [
 exports[`platform/github createPr() should create a draftPR if set in the settings 1`] = `
 Object {
   "displayNumber": "Pull Request #123",
+  "head": Object {
+    "repo": Object {
+      "full_name": "some/repo",
+    },
+  },
   "number": 123,
   "sourceBranch": "some-branch",
+  "sourceRepo": "some/repo",
 }
 `;
 
@@ -173,8 +179,14 @@ Array [
 exports[`platform/github createPr() should create and return a PR object 1`] = `
 Object {
   "displayNumber": "Pull Request #123",
+  "head": Object {
+    "repo": Object {
+      "full_name": "some/repo",
+    },
+  },
   "number": 123,
   "sourceBranch": "some-branch",
+  "sourceRepo": "some/repo",
 }
 `;
 
@@ -249,8 +261,14 @@ Array [
 exports[`platform/github createPr() should use defaultBranch 1`] = `
 Object {
   "displayNumber": "Pull Request #123",
+  "head": Object {
+    "repo": Object {
+      "full_name": "some/repo",
+    },
+  },
   "number": 123,
   "sourceBranch": "some-branch",
+  "sourceRepo": "some/repo",
 }
 `;
 
diff --git a/lib/platform/github/index.spec.ts b/lib/platform/github/index.spec.ts
index c23fade4c45164..14193e6c1457a5 100644
--- a/lib/platform/github/index.spec.ts
+++ b/lib/platform/github/index.spec.ts
@@ -1598,6 +1598,7 @@ describe('platform/github', () => {
         .post('/repos/some/repo/pulls')
         .reply(200, {
           number: 123,
+          head: { repo: { full_name: 'some/repo' } },
         })
         .post('/repos/some/repo/issues/123/labels')
         .reply(200, []);
@@ -1617,6 +1618,7 @@ describe('platform/github', () => {
       initRepoMock(scope, 'some/repo');
       scope.post('/repos/some/repo/pulls').reply(200, {
         number: 123,
+        head: { repo: { full_name: 'some/repo' } },
       });
       await github.initRepo({ repository: 'some/repo', token: 'token' } as any);
       const pr = await github.createPr({
@@ -1634,6 +1636,7 @@ describe('platform/github', () => {
       initRepoMock(scope, 'some/repo');
       scope.post('/repos/some/repo/pulls').reply(200, {
         number: 123,
+        head: { repo: { full_name: 'some/repo' } },
       });
       await github.initRepo({ repository: 'some/repo', token: 'token' } as any);
       const pr = await github.createPr({
diff --git a/lib/platform/github/index.ts b/lib/platform/github/index.ts
index 2eb257ea373caa..19ccdefdfced7f 100644
--- a/lib/platform/github/index.ts
+++ b/lib/platform/github/index.ts
@@ -49,8 +49,6 @@ import {
   Comment,
   GhBranchStatus,
   GhGraphQlPr,
-  GhPr,
-  GhPulls,
   GhRepo,
   GhRestPr,
   LocalRepoConfig,
@@ -694,10 +692,10 @@ export async function getPrList(): Promise<Pr[]> {
   logger.trace('getPrList()');
   if (!config.prList) {
     logger.debug('Retrieving PR list');
-    let prList: GhPulls;
+    let prList: GhRestPr[];
     try {
       prList = (
-        await githubApi.getJson<GhPulls>(
+        await githubApi.getJson<GhRestPr[]>(
           `repos/${
             config.parentRepo || config.repository
           }/pulls?per_page=100&state=all`,
@@ -1389,7 +1387,7 @@ export async function createPr({
   }
   logger.debug({ title, head, base, draft: draftPR }, 'Creating PR');
   const pr = (
-    await githubApi.postJson<GhPr>(
+    await githubApi.postJson<GhRestPr>(
       `repos/${config.parentRepo || config.repository}/pulls`,
       options
     )
@@ -1404,6 +1402,7 @@ export async function createPr({
   }
   pr.displayNumber = `Pull Request #${pr.number}`;
   pr.sourceBranch = sourceBranch;
+  pr.sourceRepo = pr.head.repo.full_name;
   await addLabels(pr.number, labels);
   return pr;
 }
diff --git a/lib/platform/github/types.ts b/lib/platform/github/types.ts
index f48867c89f3f51..20dc963b401879 100644
--- a/lib/platform/github/types.ts
+++ b/lib/platform/github/types.ts
@@ -26,8 +26,19 @@ export interface GhPr extends Pr {
 }
 
 export interface GhRestPr extends GhPr {
-  head: { ref: string; sha: string };
+  head: {
+    ref: string;
+    sha: string;
+    repo: { full_name: string };
+  };
   mergeable_state: string;
+  number: number;
+  title: string;
+  state: string;
+  merged_at: string;
+  created_at: string;
+  closed_at: string;
+  user?: { login?: string };
 }
 
 export interface GhGraphQlPr extends GhPr {
@@ -81,18 +92,3 @@ export interface GhRepo {
     };
   };
 }
-
-export type GhPulls = {
-  number: number;
-  head: {
-    ref: string;
-    sha: string;
-    repo: { full_name: string };
-  };
-  title: string;
-  state: string;
-  merged_at: string;
-  created_at: string;
-  closed_at: string;
-  user?: { login?: string };
-}[];