fixed guard

setup/install-guard.sh

@@ -89,14 +89,13 @@ if [[ -z "${AS_GUARD_VERSION}" ]] || [[ "${INSTALL_GUARD}" = false  ]]; then
     exit 0
 fi
 
-# 
-if [[ "${INSTALL_GUARD_BACKEND}" = true  ]]; then
-    # These packages are guard only, see below for middleware realted guard packages
-    PACKAGES="open-xchange-guard open-xchange-guard-file-storage"
-fi
-
 # 
 if [[ "${INSTALL_GUARD_MIDDLEWARE}" = true  ]]; then
+    if [[ "${INSTALL_GUARD_BACKEND}" = true  ]] || [[ "${INSTALL_TYPE}" == "singlenode" ]]; then
+        # These packages are guard only, see below for middleware realted guard packages
+        PACKAGES="open-xchange-guard open-xchange-guard-file-storage"
+    fi
+
     PACKAGES="${PACKAGES} open-xchange-guard-ui open-xchange-guard-backend-plugin"
 fi