diff --git a/src/dev/run_precommit_hook.js b/src/dev/run_precommit_hook.js
index e1eafaf28d95..0a594a232cc2 100644
--- a/src/dev/run_precommit_hook.js
+++ b/src/dev/run_precommit_hook.js
@@ -6,6 +6,9 @@
  * Side Public License, v 1.
  */
 
+import SimpleGit from 'simple-git/promise';
+
+import { REPO_ROOT } from '@kbn/utils';
 import { run, combineErrors, createFlagError, createFailError } from '@kbn/dev-utils';
 import * as Eslint from './eslint';
 import * as Stylelint from './stylelint';
@@ -48,6 +51,11 @@ run(
           await Linter.lintFiles(log, filesToLint, {
             fix: flags.fix,
           });
+
+          if (flags.fix) {
+            const simpleGit = new SimpleGit(REPO_ROOT);
+            await simpleGit.add(filesToLint);
+          }
         } catch (error) {
           errors.push(error);
         }