diff --git a/packages/client/manifest.json b/packages/client/manifest.json
index 04ffdffa21..1b83577564 100644
--- a/packages/client/manifest.json
+++ b/packages/client/manifest.json
@@ -2537,6 +2537,11 @@
         "label": "Placeholder",
         "key": "placeholder"
       },
+      {
+        "type": "text",
+        "label": "Default value",
+        "key": "defaultValue"
+      },
       {
         "type": "boolean",
         "label": "Autocomplete",
diff --git a/packages/client/src/components/app/forms/RelationshipField.svelte b/packages/client/src/components/app/forms/RelationshipField.svelte
index dbf708f893..e36e438db7 100644
--- a/packages/client/src/components/app/forms/RelationshipField.svelte
+++ b/packages/client/src/components/app/forms/RelationshipField.svelte
@@ -12,6 +12,7 @@
   export let disabled = false
   export let validation
   export let autocomplete = false
+  export let defaultValue
 
   let fieldState
   let fieldApi
@@ -27,6 +28,7 @@
   $: singleValue = flatten(fieldState?.value)?.[0]
   $: multiValue = flatten(fieldState?.value) ?? []
   $: component = multiselect ? CoreMultiselect : CoreSelect
+  $: expandedDefaultValue = expand(defaultValue)
 
   const fetchTable = async id => {
     if (id) {
@@ -62,6 +64,16 @@
   const multiHandler = e => {
     fieldApi.setValue(e.detail)
   }
+
+  const expand = values => {
+    if (!values) {
+      return []
+    }
+    if (Array.isArray(values)) {
+      return values
+    }
+    return values.split(",").map(value => value.trim())
+  }
 </script>
 
 <Field
@@ -69,11 +81,11 @@
   {field}
   {disabled}
   {validation}
+  defaultValue={expandedDefaultValue}
   type={FieldTypes.LINK}
   bind:fieldState
   bind:fieldApi
   bind:fieldSchema
-  defaultValue={[]}
 >
   {#if fieldState}
     <svelte:component