diff --git a/frontend/src/lib/components/ArgInput.svelte b/frontend/src/lib/components/ArgInput.svelte
index 5ebb4b6cc2..f5b6eeda27 100644
--- a/frontend/src/lib/components/ArgInput.svelte
+++ b/frontend/src/lib/components/ArgInput.svelte
@@ -489,6 +489,7 @@
 						<div class="items-start">
 							<Multiselect
 								ulOptionsClass={'p-2 !bg-surface-secondary'}
+								outerDivClass={'dark:!border-gray-500 !border-gray-300'}
 								{disabled}
 								bind:selected={value}
 								options={itemsType?.multiselect ?? []}
@@ -502,6 +503,7 @@
 						<div class="items-start">
 							<Multiselect
 								ulOptionsClass={'p-2 !bg-surface-secondary'}
+								outerDivClass={'dark:!border-gray-500 !border-gray-300'}
 								{disabled}
 								bind:selected={value}
 								options={itemsType?.enum ?? []}
diff --git a/frontend/src/lib/components/ArrayTypeNarrowing.svelte b/frontend/src/lib/components/ArrayTypeNarrowing.svelte
index 288a5be481..39aa02ce59 100644
--- a/frontend/src/lib/components/ArrayTypeNarrowing.svelte
+++ b/frontend/src/lib/components/ArrayTypeNarrowing.svelte
@@ -10,6 +10,7 @@
 	import type { SchemaProperty } from '$lib/common'
 
 	export let canEditResourceType: boolean = false
+	export let originalType: string | undefined = undefined
 	export let itemsType:
 		| {
 				type?: 'string' | 'number' | 'bytes' | 'object' | 'resource'
@@ -42,7 +43,7 @@
 	}
 </script>
 
-{#if canEditResourceType}
+{#if canEditResourceType || originalType == 'string[]' || originalType == 'object[]'}
 	<Label label="Items type">
 		<select
 			bind:value={selected}
@@ -67,10 +68,12 @@
 		>
 			<option value="string"> Items are strings</option>
 			<option value="enum">Items are strings from an enum</option>
-			<option value="object"> Items are objects (JSON)</option>
-			<option value="resource"> Items are resources</option>
-			<option value="number">Items are numbers</option>
-			<option value="bytes">Items are bytes</option>
+			{#if originalType != 'string[]'}
+				<option value="object"> Items are objects (JSON)</option>
+				<option value="resource"> Items are resources</option>
+				<option value="number">Items are numbers</option>
+				<option value="bytes">Items are bytes</option>
+			{/if}
 		</select>
 	</Label>
 {:else if itemsType?.resourceType}
@@ -121,31 +124,33 @@
 				</div>
 			{/each}
 		</div>
-		<div class="flex flex-row mb-1 mt-2">
-			<Button
-				color="light"
-				variant="border"
-				size="sm"
-				on:click={() => {
-					if (itemsType?.enum) {
-						let enum_ = itemsType.enum
-						let choice = `choice ${enum_?.length ? enum_?.length + 1 : 1}`
-						itemsType.enum = itemsType.enum ? itemsType.enum.concat(choice) : [choice]
-					}
-				}}
-			>
-				<Plus size={14} />
-			</Button>
-			<Button
-				color="light"
-				variant="border"
-				size="sm"
-				btnClasses="ml-2"
-				on:click={() => itemsType?.enum && (itemsType.enum = undefined)}
-			>
-				Clear
-			</Button>
-		</div>
+		{#if canEditResourceType || originalType == 'string[]'}
+			<div class="flex flex-row mb-1 mt-2">
+				<Button
+					color="light"
+					variant="border"
+					size="sm"
+					on:click={() => {
+						if (itemsType?.enum) {
+							let enum_ = itemsType.enum
+							let choice = `choice ${enum_?.length ? enum_?.length + 1 : 1}`
+							itemsType.enum = itemsType.enum ? itemsType.enum.concat(choice) : [choice]
+						}
+					}}
+				>
+					<Plus size={14} />
+				</Button>
+				<Button
+					color="light"
+					variant="border"
+					size="sm"
+					btnClasses="ml-2"
+					on:click={() => itemsType?.enum && (itemsType.enum = undefined)}
+				>
+					Clear
+				</Button>
+			</div>
+		{/if}
 	</label>
 {/if}
 
diff --git a/frontend/src/lib/components/schema/PropertyEditor.svelte b/frontend/src/lib/components/schema/PropertyEditor.svelte
index 5acf1d7ef4..f9e479a9ff 100644
--- a/frontend/src/lib/components/schema/PropertyEditor.svelte
+++ b/frontend/src/lib/components/schema/PropertyEditor.svelte
@@ -160,7 +160,11 @@
 		</Label>
 
 		{#if type == 'array'}
-			<ArrayTypeNarrowing bind:itemsType canEditResourceType={isFlowInput || isAppInput} />
+			<ArrayTypeNarrowing
+				originalType={extra['originalType']}
+				bind:itemsType
+				canEditResourceType={isFlowInput || isAppInput}
+			/>
 		{:else if type == 'string' || ['number', 'integer', 'object'].includes(type ?? '')}
 			<div>
 				<Label label="Field settings">
diff --git a/frontend/src/lib/inferArgSig.ts b/frontend/src/lib/inferArgSig.ts
index 54d63873e2..e53283b81a 100644
--- a/frontend/src/lib/inferArgSig.ts
+++ b/frontend/src/lib/inferArgSig.ts
@@ -5,23 +5,23 @@ export function argSigToJsonSchemaType(
 		| string
 		| { resource: string | null }
 		| {
-				list:
-					| (string | { object: { key: string; typ: any }[] })
-					| { str: any }
-					| { object: { key: string; typ: any }[] }
-					| null
-		  }
+			list:
+			| (string | { object: { key: string; typ: any }[] })
+			| { str: any }
+			| { object: { key: string; typ: any }[] }
+			| null
+		}
 		| { dynselect: string }
 		| { str: string[] | null }
 		| { object: { key: string; typ: any }[] }
 		| {
-				oneof: [
-					{
-						label: string
-						properties: { key: string; typ: any }[]
-					}
-				]
-		  },
+			oneof: [
+				{
+					label: string
+					properties: { key: string; typ: any }[]
+				}
+			]
+		},
 	oldS: SchemaProperty
 ): void {
 	const newS: SchemaProperty = { type: '' }
@@ -103,19 +103,26 @@ export function argSigToJsonSchemaType(
 		newS.format = `dynselect-${t.dynselect}`
 	} else if (typeof t !== 'string' && `list` in t) {
 		newS.type = 'array'
+		console.log(t.list)
 		if (t.list === 'int' || t.list === 'float') {
 			newS.items = { type: 'number' }
+			newS.originalType = 'number[]'
 		} else if (t.list === 'bytes') {
 			newS.items = { type: 'string', contentEncoding: 'base64' }
-		} else if (t.list == 'string') {
-			newS.items = { type: 'string' }
-		} else if (t.list && typeof t.list == 'object' && 'str' in t.list) {
+			newS.originalType = 'bytes[]'
+		} else if (t.list && typeof t.list == 'object' && 'str' in t.list && t.list.str) {
+			console.log('str', t.list.str)
 			newS.items = { type: 'string', enum: t.list.str }
+			newS.originalType = 'enum[]'
+		} else if (t.list == 'string' || (t.list && typeof t.list == 'object' && 'str' in t.list)) {
+			newS.items = { type: 'string', enum: oldS.items?.enum }
+			newS.originalType = 'string[]'
 		} else if (t.list && typeof t.list == 'object' && 'resource' in t.list && t.list.resource) {
 			newS.items = {
 				type: 'resource',
 				resourceType: t.list.resource as string
 			}
+			newS.originalType = 'resource[]'
 		} else if (
 			t.list &&
 			typeof t.list == 'object' &&
@@ -131,8 +138,10 @@ export function argSigToJsonSchemaType(
 			}
 
 			newS.items = { type: 'object', properties: properties }
+			newS.originalType = 'record[]'
 		} else {
 			newS.items = { type: 'object' }
+			newS.originalType = 'object[]'
 		}
 	} else {
 		newS.type = 'object'