diff --git a/docs/styleguide/patterns/vsf-register-step-1.html b/docs/styleguide/patterns/vsf-register-step-1.html
index 715ec44..e0f9ef4 100644
--- a/docs/styleguide/patterns/vsf-register-step-1.html
+++ b/docs/styleguide/patterns/vsf-register-step-1.html
@@ -160,12 +160,12 @@
       }
 
       const updateRegisterButtonState = () => {
-        const hasTextInput = Array.from(formCard.querySelectorAll('input[type="email"], input[type="password"]'))
-          .some((field) => field.value.trim().length > 0);
+        const requiredFields = Array.from(formCard.querySelectorAll('input[type="email"], input[type="password"]'));
+        const allFieldsFilled = requiredFields.every((field) => field.value.trim().length > 0);
 
-        registerButton.disabled = !hasTextInput;
-        registerButton.setAttribute('aria-disabled', String(!hasTextInput));
-        registerButton.classList.toggle('sg-button--process-inactive', !hasTextInput);
+        registerButton.disabled = !allFieldsFilled;
+        registerButton.setAttribute('aria-disabled', String(!allFieldsFilled));
+        registerButton.classList.toggle('sg-button--process-inactive', !allFieldsFilled);
       };
 
       formCard.querySelectorAll('input[type="email"], input[type="password"]').forEach((field) => {
diff --git a/public/assets/styleguide.upstream.meta.json b/public/assets/styleguide.upstream.meta.json
index 68fd82d..c09cd13 100644
--- a/public/assets/styleguide.upstream.meta.json
+++ b/public/assets/styleguide.upstream.meta.json
@@ -1,7 +1,7 @@
 {
   "styleguideVersion": "2026.05.18.1",
-  "styleguideCommit": "66d0740",
-  "syncedAtUtc": "2026-06-10T16:04:47Z",
+  "styleguideCommit": "5097d3d",
+  "syncedAtUtc": "2026-06-10T16:23:46Z",
   "sourceRepo": "/Users/mathias/Documents/Dokumente Chouchou/Codebases/Styleguide",
   "mirroredDocsPath": "docs/styleguide"
 }