diff --git a/backend/src/routes/groups.js b/backend/src/routes/groups.js
index 7c0ffb3..8b924db 100644
--- a/backend/src/routes/groups.js
+++ b/backend/src/routes/groups.js
@@ -49,23 +49,32 @@ router.get('/moderation/groups', async (req, res) => {
             })
         );
         
-        // Jetzt filtern wir basierend auf den Query-Parametern
+                // Jetzt filtern wir basierend auf den Query-Parametern
         let filteredGroups = groupsWithConsents;
         
         if (workshopOnly === 'true') {
-            // Filter: Nur Gruppen mit Werkstatt-Consent aber OHNE Social Media Consents
-            filteredGroups = groupsWithConsents.filter(group => 
-                group.display_in_workshop && 
-                (!group.socialMediaConsents || group.socialMediaConsents.length === 0)
-            );
+            // Filter: Nur Gruppen MIT Werkstatt-Consent aber OHNE zugestimmte Social Media Consents
+            filteredGroups = groupsWithConsents.filter(group => {
+                // Muss Werkstatt-Consent haben
+                if (!group.display_in_workshop) return false;
+                
+                // Darf KEINE zugestimmten Social Media Consents haben
+                const hasConsentedSocialMedia = group.socialMediaConsents && 
+                    group.socialMediaConsents.some(consent => consent.consented === 1 || consent.consented === true);
+                
+                return !hasConsentedSocialMedia;
+            });
         } else if (platform) {
-            // Filter: Gruppen mit bestimmter Social Media Platform
+            // Filter: Gruppen mit bestimmter Social Media Platform (unabhängig vom Werkstatt-Consent)
             filteredGroups = groupsWithConsents.filter(group => 
                 group.socialMediaConsents && 
                 group.socialMediaConsents.some(consent => 
-                    consent.platform_name === platform && consent.consented
+                    consent.platform_name === platform && (consent.consented === 1 || consent.consented === true)
                 )
             );
+        } else {
+            // Kein Filter: Zeige nur Gruppen MIT Werkstatt-Consent (das ist die Mindestanforderung)
+            filteredGroups = groupsWithConsents.filter(group => group.display_in_workshop);
         }
         
         res.json({
diff --git a/backend/src/utils/groupFormatter.js b/backend/src/utils/groupFormatter.js
index 910f120..1e6dfc6 100644
--- a/backend/src/utils/groupFormatter.js
+++ b/backend/src/utils/groupFormatter.js
@@ -24,6 +24,8 @@ function formatGroupDetail(groupRow, images) {
         name: groupRow.name,
         uploadDate: groupRow.upload_date,
         approved: Boolean(groupRow.approved),
+        display_in_workshop: Boolean(groupRow.display_in_workshop),
+        consent_timestamp: groupRow.consent_timestamp || null,
         images: images.map(img => ({
             id: img.id,
             fileName: img.file_name,