diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b42514..23d3a4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.0.0](https://github.com/codenamephp/chef.cookbook.gitClient/tree/1.0.0) (2021-08-21)
+
+[Full Changelog](https://github.com/codenamephp/chef.cookbook.gitClient/compare/24fa20cfaa7dd71dc034ab6de7ea7507f79d8477...1.0.0)
+
 
 
 \* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*
diff --git a/resources/config_users_from_data_bag.rb b/resources/config_users_from_data_bag.rb
index 6b96bf2..1562ba8 100644
--- a/resources/config_users_from_data_bag.rb
+++ b/resources/config_users_from_data_bag.rb
@@ -6,7 +6,7 @@
   begin
     users_configs = search(new_resource.data_bag_name, 'codenamephp_git_client_config*:*')
                     .to_h { |user| [user[:id], user.dig(:codenamephp, :git_client, :config) || {}] }
-                    .select { |_, configs| !configs.nil? && !configs.empty? }
+                    .select { |username, configs| !configs.nil? && !configs.empty? && !shell_out("getent passwd #{username}").error? }
 
     codenamephp_git_client_config_users 'Config users from databag' do
       users_configs users_configs
diff --git a/spec/resources/config_users_from_data_bag_spec.rb b/spec/resources/config_users_from_data_bag_spec.rb
index cc5c228..d6d9cc5 100644
--- a/spec/resources/config_users_from_data_bag_spec.rb
+++ b/spec/resources/config_users_from_data_bag_spec.rb
@@ -24,7 +24,9 @@
           'id' => 'user2',
           'codenamephp' => {
             'git_client' => {
-              'config' => {},
+              'config' => {
+                'config' => { 'user2_config1' => 'user2_value1', 'user2_config2' => 'user2_value2' },
+              },
             },
           },
         },
@@ -45,6 +47,14 @@
       ])
     end
 
+    stubs_for_provider('codenamephp_git_client_config_users_from_data_bag[Manage git users]') do |provider|
+      allow(provider).to receive_shell_out()
+      allow(provider).to receive_shell_out('getent passwd user1', exitstatus: 0)
+      allow(provider).to receive_shell_out('getent passwd user2', exitstatus: 1)
+      allow(provider).to receive_shell_out('getent passwd user3', exitstatus: 0)
+      allow(provider).to receive_shell_out('getent passwd user4', exitstatus: 0)
+    end
+
     recipe do
       codenamephp_git_client_config_users_from_data_bag 'Manage git users'
     end
diff --git a/test/fixtures/data_bags/users/not_exist.json b/test/fixtures/data_bags/users/not_exist.json
new file mode 100644
index 0000000..64fe79a
--- /dev/null
+++ b/test/fixtures/data_bags/users/not_exist.json
@@ -0,0 +1,11 @@
+{
+  "id": "not-exist",
+  "codenamephp": {
+    "git_client": {
+      "config": {
+        "user.name": "egal",
+        "user.email": "egal@test.de"
+      }
+    }
+  }
+}
\ No newline at end of file