diff --git a/src/main/helm/templates/_helpers.tpl b/src/main/helm/templates/_helpers.tpl
index 199ecbea3ee1e612f543332b3fc551265a880032..45b46d408d3aa13511a730ac63470ba3e42ec6d4 100644
--- a/src/main/helm/templates/_helpers.tpl
+++ b/src/main/helm/templates/_helpers.tpl
@@ -125,7 +125,7 @@ app.kubernetes.io/namespace: {{ include "app.namespace" . }}
 {{- end -}}
 
 {{- define "app.generateElsterTransferUserRessourceName" -}}
-{{- $lowerUserName := printf "%s" (.Values.etr_user).login | lower }}
+{{- $lowerUserName := printf "%s" ((.Values.ozgcloud).muk).userName | lower }}
 {{- $alphanumericUserName :=  (include "app.replaceAllNonAlphanumeric" $lowerUserName ) }}
 {{- printf "%s-elster-transfer-user"  ( $alphanumericUserName | trunc 20) }}
 {{- end -}}
diff --git a/src/main/helm/templates/elstertransfer_user_cr.yaml b/src/main/helm/templates/elstertransfer_user_cr.yaml
index 52c9d9d7a6b14e62007d56e5a9f39df1caa8b975..7e53723904c7957cefa5953795a0a4872f3fd2c7 100644
--- a/src/main/helm/templates/elstertransfer_user_cr.yaml
+++ b/src/main/helm/templates/elstertransfer_user_cr.yaml
@@ -7,8 +7,8 @@ metadata:
   namespace: {{ include "app.namespace" $ }}
 spec:
   keep_after_delete: {{ (.Values.etr_user).keep_after_delete | default false }}
-  login: {{ required "etr_user.login must be set if disableOzgElsterTransferOperator is enabled" (.Values.etr_user).login }}  
+  login: {{ required ".Values.ozgcloud.muk.userName must be set if disableOzgElsterTransferOperator is enabled" (.Values.ozgcloud).muk.userName }}  
   role: {{ (.Values.etr_user).role | default "USER" }}
-  credentials: {{ required "etr_user.credentials must be set if disableOzgElsterTransferOperator is enabled" (.Values.etr_user).credentials }}
+  credentials: {{ required ".Values.ozgcloud.muk.password must be set if disableOzgElsterTransferOperator is enabled" (.Values.ozgcloud).muk.password }}
   group: {{ (.Values.etr_user).group | default "Administratoren" }}
 {{- end -}}
\ No newline at end of file
diff --git a/src/test/helm-linter-values.yaml b/src/test/helm-linter-values.yaml
index 715ac4ffa735f0ff36536afeb9773d6f2eac1f7d..3499896f8fe970a99bf81a58c416c27e138a6f24 100644
--- a/src/test/helm-linter-values.yaml
+++ b/src/test/helm-linter-values.yaml
@@ -26,6 +26,9 @@ ozgcloud:
   environment: test
   infoManager:
     address: https://info-manager.my-wonderful-domain.local:9000
+  muk:
+    password: pswhash
+    userName: user0
 
 networkPolicy:
   dnsServerNamespace: test-dns-namespace
@@ -34,7 +37,4 @@ imagePullSecret: test-image-pull-secret
 
 elsterTransferOperator:
   namespace: elster-transfer
-
-etr_user:
-  credentials: pswhash
-  login: user0
\ No newline at end of file
+  
\ No newline at end of file
diff --git a/src/test/helm/elster_transfer_user_cr_test.yaml b/src/test/helm/elster_transfer_user_cr_test.yaml
index 9709f87d75b9f6d76e744c06cad3a33961a321ac..c1104e2e05b605f42ef18b129d66d2c584c287ef 100644
--- a/src/test/helm/elster_transfer_user_cr_test.yaml
+++ b/src/test/helm/elster_transfer_user_cr_test.yaml
@@ -8,18 +8,20 @@ tests:
   - it: should contain apiVersion
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        credentials: pswhash
-        login: user0
+      ozgcloud:
+        muk:
+          password: pswhash
+          userName: user0
     asserts:
       - isAPIVersion:
           of: operator.ozgcloud.de/v1
   - it: should contain basic info
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        credentials: pswhash
-        login: user0
+      ozgcloud:
+        muk:
+          password: pswhash
+          userName: user0
     asserts:
       - isKind:
           of: OzgCloudElsterTransferUser
@@ -28,18 +30,20 @@ tests:
   - it: should have metadata name
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        credentials: pswhash
-        login: user0
+      ozgcloud:
+        muk:
+          password: pswhash
+          userName: user0
     asserts:
       - equal:
           path: metadata.name
           value: user0-elster-transfer-user
   - it: should have metadata namespace
     set:
-      etr_user:
-        credentials: pswhash
-        login: user0
+      ozgcloud:
+        muk:
+          password: pswhash
+          userName: user0
       disableOzgElsterTransferOperator: false
     asserts:
       - equal:
@@ -48,9 +52,10 @@ tests:
   - it: should create cr if enabled
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        credentials: pswhash
-        login: user0
+      ozgcloud:
+        muk:
+          password: pswhash
+          userName: user0
     asserts:
       - hasDocuments:
           count: 1
@@ -62,20 +67,22 @@ tests:
       - hasDocuments:
           count: 0
         
-  - it: test user login must be set message
+  - it: test user userName must be set message
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        credentials: pswhash
+      ozgcloud:
+        muk:
+          password: pswhash
     asserts:
       - failedTemplate:
-          errorMessage: etr_user.login must be set if disableOzgElsterTransferOperator is enabled
-  - it: test user credentials must be set message
+          errorMessage: .Values.ozgcloud.muk.userName must be set if disableOzgElsterTransferOperator is enabled
+  - it: test user password must be set message
     set:
       disableOzgElsterTransferOperator: false
-      etr_user:
-        login: user0
+      ozgcloud:
+        muk:
+          userName: user0
     asserts:
       - failedTemplate:
-          errorMessage: etr_user.credentials must be set if disableOzgElsterTransferOperator is enabled
+          errorMessage: .Values.ozgcloud.muk.password must be set if disableOzgElsterTransferOperator is enabled
   
\ No newline at end of file