diff --git a/backend.models/Automation/TransactionAutomation.cs b/backend.models/Automation/TransactionAutomation.cs
index dea0e08..ef04a06 100644
--- a/backend.models/Automation/TransactionAutomation.cs
+++ b/backend.models/Automation/TransactionAutomation.cs
@@ -156,7 +156,7 @@ public class ActionSetMetaValue : TransactionAutomationAction
         public override string Key => "set-meta-value";
         public override int Version => 1;
         public required int FieldId { get; set; }
-        public required object? Value { get; set; }
+        public required ViewSetMetaField Value { get; set; }
     }
 
     #endregion
diff --git a/backend/Services/AutomationService.cs b/backend/Services/AutomationService.cs
index 5c31772..d833002 100644
--- a/backend/Services/AutomationService.cs
+++ b/backend/Services/AutomationService.cs
@@ -193,13 +193,9 @@ private async Task RunAction(TransactionAutomationAction action, Transaction tra
                     _context.Transactions.Remove(transaction);
                     break;
                 case ActionSetMetaValue a:
-                    await _meta.SetTransactionMetaValues(transaction.Id, user.Id, new List<ViewSetMetaField>
-                    {
-                        new ViewSetMetaField {
-                            MetaId = a.FieldId,
-                            Value = a.Value,
-                        }
-                    });
+                    await _meta.SetTransactionMetaValues(
+                        transaction.Id,
+                        user.Id, new List<ViewSetMetaField> { a.Value });
                     break;
             }
         }
diff --git a/frontend/src/components/transaction/automation/SetMetaValueEditor.tsx b/frontend/src/components/transaction/automation/SetMetaValueEditor.tsx
index 8def81c..bb5f5be 100644
--- a/frontend/src/components/transaction/automation/SetMetaValueEditor.tsx
+++ b/frontend/src/components/transaction/automation/SetMetaValueEditor.tsx
@@ -28,8 +28,8 @@ export function SetMetaValueEditor (props: TransactionActionEditorProps<ActionSe
     }, [props.action.fieldId, fields]);
 
     let prettyValue = "";
-    const value = props.action.value;
-    if (props.action.value !== null) {
+    const value = props.action.value?.value ?? null;
+    if (value !== null) {
         switch (field?.valueType) {
             case undefined:
                 prettyValue = "";
@@ -68,10 +68,17 @@ export function SetMetaValueEditor (props: TransactionActionEditorProps<ActionSe
             disabled={false}
             // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
             field={{
-                value: props.action.value,
+                value: props.action.value?.value ?? null,
                 type: field.valueType
             } as MetaFieldType}
-            onChange={value => props.onChange({ ...props.action, value })}
+            onChange={value => props.onChange({
+                ...props.action,
+                value: {
+                    metaId: field.id,
+                    type: field.valueType,
+                    value
+                }
+            })}
         /> }
     </DefaultTransactionEditorLayout>;
 
diff --git a/frontend/src/models/automation/transactionAutomation.ts b/frontend/src/models/automation/transactionAutomation.ts
index 2217f82..da8af59 100644
--- a/frontend/src/models/automation/transactionAutomation.ts
+++ b/frontend/src/models/automation/transactionAutomation.ts
@@ -2,7 +2,7 @@ import Decimal from "decimal.js";
 import { DateTime } from "luxon";
 import { SearchGroup } from "../search";
 import { serializeTransactionLine, TransactionLine } from "../transaction";
-import { MetaFieldValue } from "../meta";
+import { serializeSetMetaFieldValue, SetMetaFieldValue } from "../meta";
 
 export interface TransactionAutomation {
     id?: number
@@ -82,7 +82,7 @@ export interface ActionSetCategory {
 export interface ActionSetMetaValue {
     key: "set-meta-value"
     fieldId: number | null
-    value: MetaFieldValue["value"] | null
+    value: SetMetaFieldValue | null
 }
 
 export interface ActionDelete {
@@ -100,8 +100,8 @@ export function serializeTransactionAction (action: TransactionAction): Transact
         case "set-lines":
             return { ...action, value: action.value.map(serializeTransactionLine) } as any as TransactionAction;
         case "set-meta-value":
-            if (action.value !== null && (action.value as any).id !== undefined) {
-                return { ...action, value: (action.value as any).id } as any as TransactionAction;
+            if (action.value !== null) {
+                return { ...action, value: serializeSetMetaFieldValue(action.value) } as any as TransactionAction;
             }
             return action;
         default:
diff --git a/frontend/src/models/meta.ts b/frontend/src/models/meta.ts
index 9b05356..3522051 100644
--- a/frontend/src/models/meta.ts
+++ b/frontend/src/models/meta.ts
@@ -43,7 +43,7 @@ export function serializeSetMetaFieldValue (field: SetMetaFieldValue): SetMetaFi
                 field.value = (field.value as Transaction).id as any;
                 break;
             case FieldValueType.Attachment:
-                // Attachments are uploaded using a separate call, so non-null values are simply set to truee
+                // Attachments are uploaded using a separate call, so non-null values are simply set to true
                 if (field.value !== null) {
                     field.value = true;
                 }