diff --git a/net/server/internal/api_removeCard.go b/net/server/internal/api_removeCard.go
index 01f6094f..29709845 100644
--- a/net/server/internal/api_removeCard.go
+++ b/net/server/internal/api_removeCard.go
@@ -23,7 +23,7 @@ func RemoveCard(w http.ResponseWriter, r *http.Request) {
 
 	// load referenced card
 	var slot store.CardSlot
-	if err := store.DB.Preload("Card.Groups").Preload("Card.Channels.Cards").Preload("Card.Channels.ChannelSlot").Where("account_id = ? AND card_slot_id = ?", account.ID, cardID).First(&slot).Error; err != nil {
+  if err := store.DB.Preload("Card.Groups").Preload("Card.Channels.Members.Card").Preload("Card.Channels.ChannelSlot").Where("account_id = ? AND card_slot_id = ?", account.ID, cardID).First(&slot).Error; err != nil {
 		if !errors.Is(err, gorm.ErrRecordNotFound) {
 			ErrResponse(w, http.StatusInternalServerError, err)
 		} else {
@@ -42,7 +42,7 @@ func RemoveCard(w http.ResponseWriter, r *http.Request) {
 	// save and update contact revision
 	err = store.DB.Transaction(func(tx *gorm.DB) error {
 		for _, channel := range slot.Card.Channels {
-			if res := tx.Model(&channel).Association("Cards").Delete(slot.Card); res != nil {
+      if res := tx.Where("card_id = ?", slot.Card.ID).Delete(&store.Member{}).Error; res != nil {
 				return res
 			}
       if res := tx.Model(&channel).Update("detail_revision", account.ChannelRevision+1).Error; res != nil {