diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Forms/ContactForm.form.yaml b/public/typo3conf/ext/ep_theme/Resources/Private/Forms/ContactForm.form.yaml
index 8e75ef49..fbd55967 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Forms/ContactForm.form.yaml
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Forms/ContactForm.form.yaml
@@ -66,9 +66,9 @@ renderables:
       -
         properties:
           options:
-            m: m
-            w: w
-            d: d
+            M: M
+            W: W
+            D: D
           fluidAdditionalAttributes:
             required: required
         type: SingleSelect