diff --git a/rainfall-frontend/src/components/PreviewSiteButton.vue b/rainfall-frontend/src/components/PreviewSiteButton.vue
index d7e81be..b741d3f 100644
--- a/rainfall-frontend/src/components/PreviewSiteButton.vue
+++ b/rainfall-frontend/src/components/PreviewSiteButton.vue
@@ -60,7 +60,7 @@ export default {
             this.previewLoading = false;
             this.previewError = 'An error occurred while generating the preview';
           } else {
-            setTimeout(this.pollForPreview, import.meta.env.VITE_PREVIEW_POLL_INTERVAL);
+            setTimeout(this.pollForPreview, import.meta.env.VITE_PREVIEW_POLL_MS);
           }
           return;
         }