diff --git a/lib/datasource/docker/__snapshots__/index.spec.ts.snap b/lib/datasource/docker/__snapshots__/index.spec.ts.snap
index 84626fcb481d6681d9551a32632c19089bfc97c1..abba07ed47c4cb62255bb4951c494105f8fc9138 100644
--- a/lib/datasource/docker/__snapshots__/index.spec.ts.snap
+++ b/lib/datasource/docker/__snapshots__/index.spec.ts.snap
@@ -7,6 +7,13 @@ Object {
 }
 `;
 
+exports[`api/docker getRegistryRepository supports registryUrls 1`] = `
+Object {
+  "registry": "my.local.registry/prefix/",
+  "repository": "image",
+}
+`;
+
 exports[`api/docker getReleases adds library/ prefix for Docker Hub (explicit) 1`] = `
 [MockFunction] {
   "calls": Array [
diff --git a/lib/datasource/docker/index.spec.ts b/lib/datasource/docker/index.spec.ts
index e6eaa4628d79ecb2c1c3d967a8cf19b7bead872a..24909e0b8549e94332269de2093e7f62efb8e8e2 100644
--- a/lib/datasource/docker/index.spec.ts
+++ b/lib/datasource/docker/index.spec.ts
@@ -18,6 +18,13 @@ describe('api/docker', () => {
       const res = docker.getRegistryRepository('registry:5000/org/package', []);
       expect(res).toMatchSnapshot();
     });
+    it('supports registryUrls', () => {
+      const res = docker.getRegistryRepository(
+        'my.local.registry/prefix/image',
+        ['https://my.local.registry/prefix']
+      );
+      expect(res).toMatchSnapshot();
+    });
   });
   describe('getDigest', () => {
     beforeEach(() => {
diff --git a/lib/datasource/docker/index.ts b/lib/datasource/docker/index.ts
index 9af8dec5203cd807df27ac2f903d8ee535fe23f6..bd6906f5489daa7935a4914d5bc6f6830f5a4567 100644
--- a/lib/datasource/docker/index.ts
+++ b/lib/datasource/docker/index.ts
@@ -60,6 +60,17 @@ export function getRegistryRepository(
   lookupName: string,
   registryUrls: string[]
 ): RegistryRepository {
+  if (is.nonEmptyArray(registryUrls)) {
+    const dockerRegistry = registryUrls[0]
+      .replace('https://', '')
+      .replace(/\/?$/, '/');
+    if (lookupName.startsWith(dockerRegistry)) {
+      return {
+        registry: dockerRegistry,
+        repository: lookupName.replace(dockerRegistry, ''),
+      };
+    }
+  }
   let registry: string;
   const split = lookupName.split('/');
   if (split.length > 1 && (split[0].includes('.') || split[0].includes(':'))) {