diff --git a/scripts/scm-manager/init-scmm.sh b/scripts/scm-manager/init-scmm.sh
index 37f674f1..249203a4 100755
--- a/scripts/scm-manager/init-scmm.sh
+++ b/scripts/scm-manager/init-scmm.sh
@@ -23,7 +23,10 @@ function initSCMM() {
   SCMM_HOST=$(getHost "${SCMM_URL}")
   SCMM_PROTOCOL=$(getProtocol "${SCMM_URL}")
 
-  setExternalHostnameIfNecessary 'SCMM' 'scmm-scm-manager' 'default'
+  if [[ ${INTERNAL_SCMM} == true ]]; then
+    setExternalHostnameIfNecessary 'SCMM' 'scmm-scm-manager' 'default'
+  fi
+  
   [[ "${SCMM_URL}" != *scm ]] && SCMM_URL=${SCMM_URL}/scm
 
   configureScmmManager "${SCMM_USERNAME}" "${SCMM_PASSWORD}" "${SCMM_URL}" "${JENKINS_URL_FOR_SCMM}" \
diff --git a/scripts/utils.sh b/scripts/utils.sh
index 94b44034..a7c86ba7 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -55,13 +55,10 @@ function setExternalHostnameIfNecessary() {
   local serviceName="$2"
   local namespace="$3"
 
-  # :-} expands to empty string, e.g. for INTERNAL_ARGO which does not exist.
-  # This only works when checking for != false 😬
-  if [[ $REMOTE_CLUSTER == true && "$(eval echo "\${INTERNAL_${variablePrefix}:-}")" != 'false' ]]; then
-    # Update SCMM_URL or JENKINS_URL or ARGOCD_URL
+  if [[ $REMOTE_CLUSTER == true ]]; then
+    # Update SCMM_URL or JENKINS_URL
     # Only if apps are not external
     # Our apps are configured to use port 80 on remote clusters
-    # Argo forwards to HTTPS so simply use HTTP here
     declare -g "${variablePrefix}_URL"="http://$(getExternalIP "${serviceName}" "${namespace}")"
   fi
 }
diff --git a/src/main/groovy/com/cloudogu/gitops/features/ScmManager.groovy b/src/main/groovy/com/cloudogu/gitops/features/ScmManager.groovy
index 2b12523c..58eddaa5 100644
--- a/src/main/groovy/com/cloudogu/gitops/features/ScmManager.groovy
+++ b/src/main/groovy/com/cloudogu/gitops/features/ScmManager.groovy
@@ -77,6 +77,7 @@ class ScmManager extends Feature {
                 SCMM_USERNAME                : config.scmm['username'],
                 SCMM_PASSWORD                : config.scmm['password'],
                 JENKINS_URL                  : config.jenkins['url'],
+                INTERNAL_SCMM                : config.scmm['internal'],
                 JENKINS_URL_FOR_SCMM         : config.jenkins['urlForScmm'],
                 SCMM_URL_FOR_JENKINS         : config.scmm['urlForJenkins'],
                 // Used indirectly in utils.sh 😬