diff --git a/debian/changelog b/debian/changelog
index c648044dea98f979850c75d11e302f6842b1b70f..736fef99bf149aeddb55155e1a5a6ab9806df545 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,7 @@ lintian-brush (0.2) UNRELEASED; urgency=medium
   * Add --verbose option.
   * Fix running of specific fixers.
   * Add missing dependency on python3-dulwich. Closes: #912219
+  * Obey git global and per-tree committer settings.
 
  -- Jelmer Vernooij <jelmer@debian.org>  Sun, 28 Oct 2018 15:44:06 +0000
 
diff --git a/lintian_brush/__init__.py b/lintian_brush/__init__.py
index d30f67435c1333bb716b2788aee7567f30bba3d8..77e880601f8984367e8d4f16f1f689d31ce6a100 100644
--- a/lintian_brush/__init__.py
+++ b/lintian_brush/__init__.py
@@ -28,6 +28,8 @@ import warnings
 
 from breezy import ui
 
+import breezy.bzr  # noqa: F401
+import breezy.git  # noqa: F401
 from breezy.clean_tree import (
     iter_deletables,
     )
@@ -225,6 +227,22 @@ def delete_items(deletables, dry_run=False):
                     'unable to remove "{0}": {1}.'.format(path, e.strerror))
 
 
+def get_committer(tree):
+    """Get the committer string for a tree.
+
+    Args:
+      tree: A Tree object
+    Returns:
+      A committer string
+    """
+    # TODO(jelmer): Perhaps this logic should be in Breezy?
+    if getattr(tree.branch.repository, '_git', None):
+        return tree.branch.repository._git._get_user_identity()
+    else:
+        config = tree.branch.get_config_stack()
+        return config.get('email')
+
+
 def run_lintian_fixer(local_tree, fixer, update_changelog=True):
     """Run a lintian fixer on a tree.
 
@@ -284,7 +302,8 @@ def run_lintian_fixer(local_tree, fixer, update_changelog=True):
                         "for more details.\n") % tag
 
     local_tree.commit(description, allow_pointless=False,
-                      reporter=NullCommitReporter())
+                      reporter=NullCommitReporter(),
+                      committer=get_committer(local_tree))
     # TODO(jelmer): Run sbuild & verify lintian warning is gone?
     return result.fixed_lintian_tags, summary
 
diff --git a/lintian_brush/tests/test_run.py b/lintian_brush/tests/test_run.py
index f46accc1b717fb1f48cac376ca1690dff8647a1b..2dacd63874f9a2c98a880b7d3aa3a63997816cd7 100644
--- a/lintian_brush/tests/test_run.py
+++ b/lintian_brush/tests/test_run.py
@@ -220,6 +220,53 @@ Arch: all
                 [], list(self.tree.iter_changes(self.tree.basis_tree())))
 
 
+class HonorsVcsCommitter(TestCaseWithTransport):
+
+    def make_package_tree(self, format):
+        tree = self.make_branch_and_tree('.', format=format)
+        self.build_tree_contents([
+            ('debian/', ),
+            ('debian/control', """\
+Source: blah
+Vcs-Git: https://example.com/blah
+Testsuite: autopkgtest
+
+Binary: blah
+Arch: all
+
+"""),
+            CHANGELOG_FILE])
+        tree.add(['debian', 'debian/changelog', 'debian/control'])
+        tree.commit('Initial thingy.')
+        return tree
+
+    def make_change(self, tree):
+        with tree.lock_write():
+            fixed_tags, summary = run_lintian_fixer(
+                tree, DummyFixer('dummy', 'some-tag'),
+                update_changelog=False)
+        self.assertEqual(summary, "Fixed some tag.")
+        self.assertEqual(['some-tag'], fixed_tags)
+        self.assertEqual(2, tree.branch.revno())
+        self.assertEqual(
+                tree.get_file_lines('debian/control')[-1],
+                b"a new line\n")
+
+    def test_honors_tree_committer_config(self):
+        tree = self.make_package_tree('git')
+        with open(os.path.join(tree.basedir, '.git/config'), 'w') as f:
+            f.write("""\
+[user]
+  email = jane@example.com
+  name = Jane Example
+
+""")
+
+        self.make_change(tree)
+        rev = tree.branch.repository.get_revision(tree.branch.last_revision())
+        self.assertEqual(rev.committer, 'Jane Example <jane@example.com>')
+
+
 # TODO(jelmer): run_lintian_fixers