diff --git a/src/components/progress-bar/progress-bar.tsx b/src/components/progress-bar/progress-bar.tsx
index 66ecca820..c3d3fb9aa 100644
--- a/src/components/progress-bar/progress-bar.tsx
+++ b/src/components/progress-bar/progress-bar.tsx
@@ -31,7 +31,7 @@ export class ProgressBar {
         aria-valuenow={this.percentage}
       >
         <div
-          part="base"
+          part="indicator"
           class="progress-bar__indicator"
           style={{
             width: `${this.percentage}%`