diff --git a/net/server/internal/api_removeGroup.go b/net/server/internal/api_removeGroup.go
index 22bd472f..38ae0c43 100644
--- a/net/server/internal/api_removeGroup.go
+++ b/net/server/internal/api_removeGroup.go
@@ -29,6 +29,9 @@ func RemoveGroup(w http.ResponseWriter, r *http.Request) {
   }
 
   err = store.DB.Transaction(func(tx *gorm.DB) error {
+    if res := tx.Model(slot.Group).Association("Cards").Clear(); res != nil {
+      return res
+    }
     if res := tx.Delete(&slot.Group.GroupData).Error; res != nil {
       return res
     }
diff --git a/net/server/internal/ucUpdateContact_test.go b/net/server/internal/ucUpdateContact_test.go
index 1b61d309..16907643 100644
--- a/net/server/internal/ucUpdateContact_test.go
+++ b/net/server/internal/ucUpdateContact_test.go
@@ -15,15 +15,15 @@ func TestUpdateContact(t *testing.T) {
   var cards []Card
   var detail int64
   var profile int64
-  var cardProfile *CardProfile
   var cardDetail *CardDetail
+  var cardProfile *CardProfile
 
   // setup testing group
-  set, err = AddTestGroup("addaccount")
+  set, err = AddTestGroup("updatecontact")
   assert.NoError(t, err)
 
   // setup testing group
-  _, err = AddTestGroup("addaccount")
+  _, err = AddTestGroup("updatecontact")
   assert.Error(t, err)
 
   rev = GetTestRevision(set.B.Revisions)