diff --git a/web/sdk/admin/views/organizations/details/edit/organization.tsx b/web/sdk/admin/views/organizations/details/edit/organization.tsx
index 7ba48e1a0..ab0941fb1 100644
--- a/web/sdk/admin/views/organizations/details/edit/organization.tsx
+++ b/web/sdk/admin/views/organizations/details/edit/organization.tsx
@@ -219,7 +219,7 @@ export function EditOrganizationPanel({ open = false, onClose }: { open?: boolea
                 label={`${t.organization({ case: "capital" })} size`}
                 error={errors.size?.message}
               >
-                <Input {...register("size")} type="number" />
+                <Input {...register("size")} type="number" min={0} />
               </Field>
               <Controller
                 name="type"
diff --git a/web/sdk/admin/views/organizations/list/create.tsx b/web/sdk/admin/views/organizations/list/create.tsx
index 21721df5c..83649ee8e 100644
--- a/web/sdk/admin/views/organizations/list/create.tsx
+++ b/web/sdk/admin/views/organizations/list/create.tsx
@@ -194,7 +194,7 @@ export function CreateOrganizationPanel({
                 label={`${t.organization({ case: "capital" })} size`}
                 error={errors.size?.message}
               >
-                <Input {...register("size")} type="number" />
+                <Input {...register("size")} type="number" min={0} />
               </Field>
               <Controller
                 name="type"