diff --git a/src/com/cloudogu/ces/cesbuildlib/K3d.groovy b/src/com/cloudogu/ces/cesbuildlib/K3d.groovy
index c368db2d..14cbccb9 100644
--- a/src/com/cloudogu/ces/cesbuildlib/K3d.groovy
+++ b/src/com/cloudogu/ces/cesbuildlib/K3d.groovy
@@ -266,12 +266,15 @@ class K3d {
     }
 
     void configureSetupImage(String image) {
+        String hostKey = ".setup.image.registry"
         String repositoryKey = ".setup.image.repository"
         String tagKey = ".setup.image.tag"
-        def i = image.lastIndexOf(":")
+        def repositorySeparatorIndex = image.indexOf("/")
+        def tagSeparatorIndex = image.lastIndexOf(":")
 
-        appendToYamlFile(K3D_VALUES_YAML_FILE, repositoryKey, image.substring(0, i))
-        appendToYamlFile(K3D_VALUES_YAML_FILE, tagKey, image.substring(i + 1, image.length()))
+        appendToYamlFile(K3D_VALUES_YAML_FILE, hostKey, image.substring(0, repositorySeparatorIndex))
+        appendToYamlFile(K3D_VALUES_YAML_FILE, repositoryKey, image.substring(repositorySeparatorIndex + 1, tagSeparatorIndex))
+        appendToYamlFile(K3D_VALUES_YAML_FILE, tagKey, image.substring(tagSeparatorIndex + 1, image.length()))
     }
 
     void configureComponentOperatorVersion(String operatorVersion, String crdVersion = operatorVersion, String namespace = "k8s") {
diff --git a/test/com/cloudogu/ces/cesbuildlib/K3dTest.groovy b/test/com/cloudogu/ces/cesbuildlib/K3dTest.groovy
index b06ba5fe..212e9b21 100644
--- a/test/com/cloudogu/ces/cesbuildlib/K3dTest.groovy
+++ b/test/com/cloudogu/ces/cesbuildlib/K3dTest.groovy
@@ -545,7 +545,8 @@ spec:
 
         scriptMock.expectedShRetValueForScript.put("whoami".toString(), "jenkins")
         scriptMock.expectedShRetValueForScript.put("cat /etc/passwd | grep jenkins", "jenkins:x:1000:1000:jenkins,,,:/home/jenkins:/bin/bash")
-        scriptMock.expectedShRetValueForScript.put("yq -i \".setup.image.repository = \\\"docker.io/foo/image\\\"\" k3d_values.yaml", "foo")
+        scriptMock.expectedShRetValueForScript.put("yq -i \".setup.image.registry = \\\"docker.io\\\"\" k3d_values.yaml", "foo")
+        scriptMock.expectedShRetValueForScript.put("yq -i \".setup.image.repository = \\\"foo/image\\\"\" k3d_values.yaml", "foo")
         scriptMock.expectedShRetValueForScript.put("yq -i \".setup.image.tag = \\\"1.2.3\\\"\" k3d_values.yaml", "foo")
 
         // when
@@ -554,10 +555,13 @@ spec:
         // then
         assertThat(scriptMock.allActualArgs[0].trim()).isEqualTo("whoami".trim())
         assertThat(scriptMock.allActualArgs[1].trim()).isEqualTo("cat /etc/passwd | grep jenkins".trim())
-        assertThat(scriptMock.allActualArgs[2].trim()).isEqualTo("yq -i \".setup.image.repository = \\\"docker.io/foo/image\\\"\" k3d_values.yaml".trim())
+        assertThat(scriptMock.allActualArgs[2].trim()).isEqualTo("yq -i \".setup.image.registry = \\\"docker.io\\\"\" k3d_values.yaml".trim())
         assertThat(scriptMock.allActualArgs[3].trim()).isEqualTo("whoami".trim())
         assertThat(scriptMock.allActualArgs[4].trim()).isEqualTo("cat /etc/passwd | grep jenkins".trim())
-        assertThat(scriptMock.allActualArgs[5].trim()).isEqualTo("yq -i \".setup.image.tag = \\\"1.2.3\\\"\" k3d_values.yaml".trim())
+        assertThat(scriptMock.allActualArgs[5].trim()).isEqualTo("yq -i \".setup.image.repository = \\\"foo/image\\\"\" k3d_values.yaml".trim())
+        assertThat(scriptMock.allActualArgs[6].trim()).isEqualTo("whoami".trim())
+        assertThat(scriptMock.allActualArgs[7].trim()).isEqualTo("cat /etc/passwd | grep jenkins".trim())
+        assertThat(scriptMock.allActualArgs[8].trim()).isEqualTo("yq -i \".setup.image.tag = \\\"1.2.3\\\"\" k3d_values.yaml".trim())
     }
 
     void testK3d_configureComponentOperatorVersion() {