diff --git a/src/getComponentAndPattern.test.ts b/src/getComponentAndPattern.test.ts
index ac33144..ff0b0da 100644
--- a/src/getComponentAndPattern.test.ts
+++ b/src/getComponentAndPattern.test.ts
@@ -96,6 +96,26 @@ describe('getComponentAndPattern', () => {
     expect(pattern).toEqual(undefined);
   });
 
+  test('return errors when pattern value is not array', () => {
+    const context: StoryContext = {
+      id: 'id',
+      name: 'name',
+      kind: 'kind',
+      parameters: {
+        component: ComponentMock,
+        matrix: {
+          pattern: {
+            color: 'string',
+          },
+        },
+      },
+    };
+    const { errors, component, pattern } = getComponentAndPattern(context);
+    expect(errors).toEqual(['Parameter pattern value must be Array']);
+    expect(component).toEqual(undefined);
+    expect(pattern).toEqual(undefined);
+  });
+
   test('return errors when component and pattern are not provided', () => {
     const context: StoryContext = {
       id: 'id',
diff --git a/src/getComponentAndPattern.ts b/src/getComponentAndPattern.ts
index f86fe5a..c87d7d9 100644
--- a/src/getComponentAndPattern.ts
+++ b/src/getComponentAndPattern.ts
@@ -9,6 +9,8 @@ type CoponentAndPattern = {
   pattern?: MatrixProps['propsPattern'];
 };
 
+const isObject = (arg: any): boolean => arg && typeof arg === 'object';
+
 export function getComponentAndPattern({ parameters }: StoryContext): CoponentAndPattern {
   const {
     component,
@@ -24,9 +26,16 @@ export function getComponentAndPattern({ parameters }: StoryContext): CoponentAn
   if (pattern && typeof pattern !== 'object') {
     errors.push('Parameter pattern must be Object');
   }
-  if (pattern && typeof pattern === 'object' && Object.keys(pattern).length === 0) {
+  if (isObject(pattern) && Object.keys(pattern).length === 0) {
     errors.push('Parameter pattern must not be empty');
   }
+  if (
+    isObject(pattern) &&
+    Object.keys(pattern).length !== 0 &&
+    !Array.isArray(Object.entries(pattern)[0][1])
+  ) {
+    errors.push('Parameter pattern value must be Array');
+  }
   if (errors.length !== 0) {
     return { errors };
   }