diff --git a/frontend/src/lib/components/dashboard/invoices/edit/continuation-tab-form.svelte b/frontend/src/lib/components/dashboard/invoices/edit/continuation-tab-form.svelte
index 1f89d8fc..2b95c61c 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/continuation-tab-form.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/continuation-tab-form.svelte
@@ -46,7 +46,7 @@
 			semaforo_rojo_aduana_mexicana: invoice.logistics?.red_light_mx || false,
 			semaforo_rojo_aduana_americana: invoice.logistics?.red_light_us || false,
 			// New Export fields
-			is_mixed: invoice.compliance_mx?.is_mixed ? 'si' : 'no',
+			is_mixed: invoice.compliance_mx?.is_mixed || false,
 			reason_export: invoice.compliance_mx?.reason_export || '1',
 			purchase_order: invoice.purchase_order || '',
 			payment_terms: invoice.payment_terms || '',
@@ -79,7 +79,7 @@
 			semaforo_rojo_aduana_mexicana: false,
 			semaforo_rojo_aduana_americana: false,
 			// New Export fields
-			is_mixed: 'no',
+			is_mixed: false,
 			reason_export: '1',
 			purchase_order: '',
 			payment_terms: '',
@@ -162,13 +162,17 @@
 			{#if operationType === 1 || invoiceType === 'CR' || invoiceType === 'REP'}
 				<div class="space-y-1.5">
 					<Label class="text-xs">Es Mixto?</Label>
-					<RadioGroup bind:value={formData.is_mixed} class="flex gap-4">
+					<RadioGroup 
+						value={String(formData.is_mixed)} 
+						onValueChange={(v: string | undefined) => (formData.is_mixed = v === 'true')}
+						class="flex gap-4"
+					>
 						<div class="flex items-center gap-2">
-							<RadioGroupItem value="si" id="mixed_si" />
+							<RadioGroupItem value="true" id="mixed_si" />
 							<Label for="mixed_si" class="text-xs text-muted-foreground">SI</Label>
 						</div>
 						<div class="flex items-center gap-2">
-							<RadioGroupItem value="no" id="mixed_no" />
+							<RadioGroupItem value="false" id="mixed_no" />
 							<Label for="mixed_no" class="text-xs text-muted-foreground">NO</Label>
 						</div>
 					</RadioGroup>
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/others-tab-form.svelte b/frontend/src/lib/components/dashboard/invoices/edit/others-tab-form.svelte
index 4752a40b..88632727 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/others-tab-form.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/others-tab-form.svelte
@@ -31,8 +31,8 @@
 			// Campo de comentario estatus
 			comments_status: invoice.comments_status || '',
 			// Campos que van en diferentes recursos pero se editan aquí
-			transport_mode: invoice.logistics?.transport_mode || null,
-			is_mixed: invoice.compliance_mx?.is_mixed ? 'si' : 'no',
+			transport_mode: invoice.logistics?.transport_mode || 'TRUCK',
+			is_mixed: invoice.compliance_mx?.is_mixed || false,
 			print_stamp: invoice.financials?.seal_value_2500 || false,
 			rule_3121_parties_ii: invoice.compliance_mx?.rule_3121_parties_ii || false,
 			// Errores (Copied from Continuation Tab)
@@ -65,7 +65,7 @@
 			comments_status: '',
 			// Campos que van en diferentes recursos pero se editan aquí
 			transport_mode: 'TRUCK',
-			is_mixed: null,
+			is_mixed: false,
 			print_stamp: false,
 			rule_3121_parties_ii: false,
 			// Errores
@@ -154,13 +154,17 @@
 					<div class="space-y-2">
 						<Label class="opacity-0">Spacer</Label>
 						<Label class="text-xs">Es Mixto?</Label>
-						<RadioGroup.Root bind:value={formData.is_mixed} class="flex gap-4">
+						<RadioGroup.Root 
+							value={String(formData.is_mixed)} 
+							onValueChange={(v: string | undefined) => (formData.is_mixed = v === 'true')}
+							class="flex gap-4"
+						>
 							<div class="flex items-center space-x-2">
-								<RadioGroup.Item value="si" id="mixed-si" class="h-4 w-4" />
+								<RadioGroup.Item value="true" id="mixed-si" class="h-4 w-4" />
 								<Label for="mixed-si" class="cursor-pointer text-xs font-normal">Sí</Label>
 							</div>
 							<div class="flex items-center space-x-2">
-								<RadioGroup.Item value="no" id="mixed-no" class="h-4 w-4" />
+								<RadioGroup.Item value="false" id="mixed-no" class="h-4 w-4" />
 								<Label for="mixed-no" class="cursor-pointer text-xs font-normal">No</Label>
 							</div>
 						</RadioGroup.Root>