diff --git a/lib/config/migration.js b/lib/config/migration.js
index cafe3b23b110ae414ca5cf0546ca860c3334685b..894f5dff2c5bdd20b37a903306e50abb4e554719 100644
--- a/lib/config/migration.js
+++ b/lib/config/migration.js
@@ -37,6 +37,9 @@ function migrateConfig(config, parentConfig) {
         isMigrated = true;
         delete migratedConfig[key];
       }
+    } else if (key === 'automerge' && val === false) {
+      isMigrated = true;
+      migratedConfig.automerge = 'none';
     } else if (key === 'packages') {
       isMigrated = true;
       migratedConfig.packageRules = migratedConfig.packages.map(
diff --git a/test/config/__snapshots__/migration.spec.js.snap b/test/config/__snapshots__/migration.spec.js.snap
index 0e91f01710bf3f8e56ebb0fa25ffbafe05bbdc43..a705f286c3b2f7c43787936a2f15f7afe6d6b8de 100644
--- a/test/config/__snapshots__/migration.spec.js.snap
+++ b/test/config/__snapshots__/migration.spec.js.snap
@@ -3,6 +3,7 @@
 exports[`config/migration migrateConfig(config, parentConfig) it migrates config 1`] = `
 Object {
   "autodiscover": true,
+  "automerge": "none",
   "commitMessage": "some commit message",
   "enabled": true,
   "onboarding": false,
diff --git a/test/config/migration.spec.js b/test/config/migration.spec.js
index 9a7387c55eca53e2494dbd840053b3d4ee676bd1..ec0fb6cf9e1a90e7776032f863ad7b85219a856e 100644
--- a/test/config/migration.spec.js
+++ b/test/config/migration.spec.js
@@ -8,6 +8,7 @@ describe('config/migration', () => {
         enabled: true,
         maintainYarnLock: true,
         onboarding: 'false',
+        automerge: false,
         autodiscover: 'true',
         schedule: 'after 5pm',
         commitMessage: '{{semanticPrefix}}some commit message',
@@ -37,6 +38,7 @@ describe('config/migration', () => {
       expect(isMigrated).toBe(true);
       expect(migratedConfig.depTypes).not.toBeDefined();
       expect(migratedConfig.optionalDependencies.respectLatest).toBe(false);
+      expect(migratedConfig.automerge).toEqual('none');
       expect(migratedConfig).toMatchSnapshot();
     });
     it('it does not migrate config', () => {