diff --git a/frontend/pages/banking/statements/[mode]/[[id]].vue b/frontend/pages/banking/statements/[mode]/[[id]].vue
index 0ca23c2..184289d 100644
--- a/frontend/pages/banking/statements/[mode]/[[id]].vue
+++ b/frontend/pages/banking/statements/[mode]/[[id]].vue
@@ -404,7 +404,7 @@ setup()
             </USelectMenu>
             <div class="md:col-span-3 flex justify-end">
               <UButton size="xs" label="Zuweisen"
-                       @click="saveAllocation({bankstatement: itemInfo.id, amount: manualAllocationSum, ownaccount: ownAccountToSave, customer: customerAccountToSave, vendor: vendorAccountToSave, description: allocationDescription })"/>
+                       @click="saveAllocation({bankstatement: itemInfo.id, amount: manualAllocationSum, ownaccount: ownAccountToSave ? ownAccountToSave : null, customer: customerAccountToSave ? customerAccountToSave : null, vendor: vendorAccountToSave ? vendorAccountToSave : null, description: allocationDescription })"/>
             </div>
           </div>