diff --git a/change/@microsoft-fast-foundation-788640ed-cd3b-4d9f-bedc-f179aae99903.json b/change/@microsoft-fast-foundation-788640ed-cd3b-4d9f-bedc-f179aae99903.json
new file mode 100644
index 00000000000..d41eaf34d68
--- /dev/null
+++ b/change/@microsoft-fast-foundation-788640ed-cd3b-4d9f-bedc-f179aae99903.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "add activeid to accordion change event",
+  "packageName": "@microsoft/fast-foundation",
+  "email": "chhol@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/web-components/fast-foundation/src/accordion/accordion.ts b/packages/web-components/fast-foundation/src/accordion/accordion.ts
index 40a2134fb85..008a15a9609 100644
--- a/packages/web-components/fast-foundation/src/accordion/accordion.ts
+++ b/packages/web-components/fast-foundation/src/accordion/accordion.ts
@@ -75,7 +75,7 @@ export class Accordion extends FoundationElement {
     private accordionIds: Array<string | null>;
 
     private change = (): void => {
-        this.$emit("change");
+        this.$emit("change", this.activeid);
     };
 
     private findExpandedItem(): AccordionItem | null {