diff --git a/src/core/generateZodSchema.test.ts b/src/core/generateZodSchema.test.ts
index 45cd242..08a02d7 100644
--- a/src/core/generateZodSchema.test.ts
+++ b/src/core/generateZodSchema.test.ts
@@ -68,9 +68,9 @@ describe("generateZodSchema", () => {
   });
 
   it("should generate a literal schema (number)", () => {
-    const source = `export type IdentiesCount = 2;`;
+    const source = `export type IdentitiesCount = 2;`;
     expect(generate(source)).toMatchInlineSnapshot(
-      `"export const identiesCountSchema = z.literal(2);"`
+      `"export const identitiesCountSchema = z.literal(2);"`
     );
   });
 
@@ -164,9 +164,9 @@ describe("generateZodSchema", () => {
   });
 
   it("should generate a record schema", () => {
-    const source = `export type EnnemiesPowers = Record<string, Power>;`;
+    const source = `export type EnemiesPowers = Record<string, Power>;`;
     expect(generate(source)).toMatchInlineSnapshot(
-      `"export const ennemiesPowersSchema = z.record(powerSchema);"`
+      `"export const enemiesPowersSchema = z.record(powerSchema);"`
     );
   });
 
@@ -368,6 +368,17 @@ describe("generateZodSchema", () => {
     `);
   });
 
+  it("should deal with optional array", () => {
+    const source = `export interface Collection {
+      movies?: Array<string>
+    }`;
+    expect(generate(source)).toMatchInlineSnapshot(`
+      "export const collectionSchema = z.object({
+          movies: z.array(z.string()).optional()
+      });"
+    `);
+  });
+
   it("should generate an empty object schema", () => {
     const source = `export type Empty = {};`;
     expect(generate(source)).toMatchInlineSnapshot(
diff --git a/src/core/generateZodSchema.ts b/src/core/generateZodSchema.ts
index ff2139e..bb7dd5c 100644
--- a/src/core/generateZodSchema.ts
+++ b/src/core/generateZodSchema.ts
@@ -212,7 +212,7 @@ function buildZodPrimitive({
       return buildZodPrimitive({
         z,
         typeNode: f.createArrayTypeNode(typeNode.typeArguments[0]),
-        isOptional: false,
+        isOptional,
         jsDocTags: {},
         sourceFile,
         dependencies,