diff --git a/libs/importer/spec/psono-json-importer.spec.ts b/libs/importer/spec/psono-json-importer.spec.ts
index cc7e95cf183..41d76333529 100644
--- a/libs/importer/spec/psono-json-importer.spec.ts
+++ b/libs/importer/spec/psono-json-importer.spec.ts
@@ -11,6 +11,7 @@ import { EnvVariablesData } from "./test-data/psono-json/environment-variables";
 import { FoldersTestData } from "./test-data/psono-json/folders";
 import { GPGData } from "./test-data/psono-json/gpg";
 import { NotesData } from "./test-data/psono-json/notes";
+import { ReducedWebsiteLoginsData } from "./test-data/psono-json/reduced-website-logins";
 import { TOTPData } from "./test-data/psono-json/totp";
 import { WebsiteLoginsData } from "./test-data/psono-json/website-logins";
 
@@ -23,6 +24,7 @@ function validateCustomField(
   expect(fields).not.toBeUndefined();
   const customField = fields.find((f) => f.name === fieldName);
   expect(customField).not.toBeNull();
+  expect(customField).not.toBeUndefined();
 
   expect(customField.value).toEqual(expectedValue);
   expect(customField.type).toEqual(fieldType);
@@ -38,6 +40,7 @@ describe("PSONO JSON Importer", () => {
   const FoldersTestDataJson = JSON.stringify(FoldersTestData);
   const GPGDataJson = JSON.stringify(GPGData);
   const EnvVariablesDataJson = JSON.stringify(EnvVariablesData);
+  const ReducedWebsiteLoginsDataJson = JSON.stringify(ReducedWebsiteLoginsData);
 
   it("should parse Website/Password data", async () => {
     const importer = new PsonoJsonImporter();
@@ -64,6 +67,23 @@ describe("PSONO JSON Importer", () => {
     validateCustomField(cipher.fields, "callback_user", "callbackUser");
     validateCustomField(cipher.fields, "callback_pass", "callbackPassword");
   });
+  it("should parse Website/Password data with missing fields", async () => {
+    const importer = new PsonoJsonImporter();
+    const result = await importer.parse(ReducedWebsiteLoginsDataJson);
+    expect(result != null).toBe(true);
+
+    const cipher = result.ciphers.shift();
+
+    expect(cipher.type).toEqual(CipherType.Login);
+    expect(cipher.name).toEqual("export_website_1");
+    expect(cipher.login.username).toEqual("username123");
+    expect(cipher.login.password).toEqual("password123");
+    expect(cipher.login.uris).toEqual(null);
+
+    expect(cipher.fields.length).toBe(2);
+    validateCustomField(cipher.fields, "create_date", "2022-09-10T23:05:02.351417Z");
+    validateCustomField(cipher.fields, "write_date", "2022-09-10T23:05:02.351583Z");
+  });
 
   it("should parse Application Password data", async () => {
     const importer = new PsonoJsonImporter();
diff --git a/libs/importer/spec/test-data/psono-json/reduced-website-logins.ts b/libs/importer/spec/test-data/psono-json/reduced-website-logins.ts
new file mode 100644
index 00000000000..4477c9d5240
--- /dev/null
+++ b/libs/importer/spec/test-data/psono-json/reduced-website-logins.ts
@@ -0,0 +1,21 @@
+import { PsonoJsonExport } from "../../../src/importers/psono/psono-json-types";
+
+export const ReducedWebsiteLoginsData: PsonoJsonExport = {
+  folders: [],
+  items: [
+    {
+      type: "website_password",
+      name: "export_website_name",
+      website_password_password: "password123",
+      website_password_username: "username123",
+      website_password_notes: "",
+      website_password_url: "",
+      website_password_title: "export_website_1",
+      create_date: "2022-09-10T23:05:02.351417Z",
+      write_date: "2022-09-10T23:05:02.351583Z",
+      callback_url: "",
+      callback_user: "",
+      callback_pass: "",
+    },
+  ],
+};
diff --git a/libs/importer/src/importers/psono/psono-json-importer.ts b/libs/importer/src/importers/psono/psono-json-importer.ts
index a050f3891af..f9401b4a97b 100644
--- a/libs/importer/src/importers/psono/psono-json-importer.ts
+++ b/libs/importer/src/importers/psono/psono-json-importer.ts
@@ -131,7 +131,7 @@ export class PsonoJsonImporter extends BaseImporter implements Importer {
     this.processKvp(
       cipher,
       "website_password_auto_submit",
-      entry.website_password_auto_submit.toString(),
+      entry.website_password_auto_submit?.toString(),
       FieldType.Boolean
     );
 
diff --git a/libs/importer/src/importers/psono/psono-json-types.ts b/libs/importer/src/importers/psono/psono-json-types.ts
index bc15f4f3ec0..ce0f4c23bc0 100644
--- a/libs/importer/src/importers/psono/psono-json-types.ts
+++ b/libs/importer/src/importers/psono/psono-json-types.ts
@@ -38,15 +38,15 @@ export type PsonoEntryTypes =
 
 export interface WebsitePasswordEntry extends RecordBase {
   type: "website_password";
-  autosubmit: boolean;
-  urlfilter: string;
+  autosubmit?: boolean;
+  urlfilter?: string;
   website_password_title: string;
   website_password_url: string;
   website_password_username: string;
   website_password_password: string;
   website_password_notes: string;
-  website_password_auto_submit: boolean;
-  website_password_url_filter: string;
+  website_password_auto_submit?: boolean;
+  website_password_url_filter?: string;
 }
 
 export interface PsonoEntry {