diff --git a/Configuration/NodeTypes.Mixins.yaml b/Configuration/NodeTypes.Mixins.yaml
index 0cc69393..022c46c9 100644
--- a/Configuration/NodeTypes.Mixins.yaml
+++ b/Configuration/NodeTypes.Mixins.yaml
@@ -98,7 +98,7 @@
           editor: 'Neos.Neos/Inspector/Editors/SelectBoxEditor'
           editorOptions:
             values:
-              '~':
+              ~:
                 label: 'None'
               'summary':
                 label: 'Summary Card'
@@ -200,7 +200,7 @@
           editor: 'Neos.Neos/Inspector/Editors/SelectBoxEditor'
           editorOptions:
             values:
-              '~':
+              ~:
                 label: 'None'
               'website':
                 label: 'Website'
@@ -265,7 +265,7 @@
           editor: 'Neos.Neos/Inspector/Editors/SelectBoxEditor'
           editorOptions:
             values:
-              '~':
+              ~:
                 label: 'none (unspecified)'
               'always':
                 label: 'Always'