diff --git a/models/fixtures/action.yml b/models/fixtures/action.yml
index f4f10dde2..bf44837a1 100644
--- a/models/fixtures/action.yml
+++ b/models/fixtures/action.yml
@@ -20,3 +20,14 @@
   repo_name: repo3 # TODO old or new name?
   is_private: false
   content: oldRepoName
+
+-
+  id: 3
+  user_id: 11
+  op_type: 1 # create repo
+  act_user_id: 11
+  act_user_name: user11
+  repo_id: 9
+  repo_user_name: user11
+  repo_name: repo9
+  is_private: false
diff --git a/models/fixtures/repository.yml b/models/fixtures/repository.yml
index 93463c085..d50b88c30 100644
--- a/models/fixtures/repository.yml
+++ b/models/fixtures/repository.yml
@@ -93,3 +93,15 @@
   num_pulls: 0
   num_closed_pulls: 0
   is_mirror: false
+
+-
+  id: 9
+  owner_id: 11
+  lower_name: repo9
+  name: repo9
+  is_private: false
+  num_issues: 0
+  num_closed_issues: 0
+  num_pulls: 0
+  num_closed_pulls: 0
+  is_mirror: false
diff --git a/models/fixtures/user.yml b/models/fixtures/user.yml
index 568f36729..337fb5459 100644
--- a/models/fixtures/user.yml
+++ b/models/fixtures/user.yml
@@ -149,3 +149,18 @@
   avatar_email: user10@example.com
   num_repos: 3
   is_active: true
+
+-
+  id: 11
+  lower_name: user11
+  name: user11
+  full_name: User Eleven
+  email: user11@example.com
+  passwd: password
+  type: 0 # individual
+  salt: salt
+  is_admin: false
+  avatar: avatar11
+  avatar_email: user11@example.com
+  num_repos: 1
+  is_active: true
diff --git a/models/repo.go b/models/repo.go
index a7a36cc7d..86961d68d 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -1408,6 +1408,16 @@ func updateRepository(e Engine, repo *Repository, visibilityChanged bool) (err e
 			}
 		}
 
+		// If repo has become private, we need to set its actions to private.
+		if repo.IsPrivate {
+			_, err = e.Where("repo_id = ?", repo.ID).Cols("is_private").Update(&Action{
+				IsPrivate: true,
+			})
+			if err != nil {
+				return err
+			}
+		}
+
 		// Create/Remove git-daemon-export-ok for git-daemon...
 		daemonExportFile := path.Join(repo.RepoPath(), `git-daemon-export-ok`)
 		if repo.IsPrivate && com.IsExist(daemonExportFile) {
diff --git a/models/repo_test.go b/models/repo_test.go
index db8bd1024..18da68205 100644
--- a/models/repo_test.go
+++ b/models/repo_test.go
@@ -73,3 +73,22 @@ func TestGetPrivateRepositoryCount(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, int64(2), count)
 }
+
+func TestUpdateRepositoryVisibilityChanged(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	// Get sample repo and change visibility
+	repo, err := GetRepositoryByID(9)
+	repo.IsPrivate = true
+
+	// Update it
+	err = UpdateRepository(repo, true)
+	assert.NoError(t, err)
+
+	// Check visibility of action has become private
+	act := Action{}
+	_, err = x.ID(3).Get(&act)
+
+	assert.NoError(t, err)
+	assert.Equal(t, true, act.IsPrivate)
+}