diff --git a/frontend/src/lib/components/ProcessingControls.svelte b/frontend/src/lib/components/ProcessingControls.svelte
index e3b5806..ed5722d 100644
--- a/frontend/src/lib/components/ProcessingControls.svelte
+++ b/frontend/src/lib/components/ProcessingControls.svelte
@@ -113,7 +113,7 @@
   function handleStartClick() {
     if (existingFolder) {
       const folder = existingFolder;
-      const message = `"${folder.name}" already has ${folder.image_count} images (${formatSize(folder.size_bytes)})${folder.has_video ? ' and a compiled video' : ''}.\n\nClick OK to overwrite.`;
+      const message = `"${folder.name}" already has ${folder.image_count} images (${formatSize(folder.size_bytes)})${folder.has_video ? ' and a compiled video' : ''}.\n\nAll existing content in ${folder.name} will be permanently deleted.\n\nClick OK to continue.`;
 
       if (confirm(message)) {
         startProcessing();
diff --git a/src/job/mod.rs b/src/job/mod.rs
index 66ecb28..44da6d3 100644
--- a/src/job/mod.rs
+++ b/src/job/mod.rs
@@ -101,6 +101,12 @@ async fn run_job_inner(
     let folder_name = sanitize_folder_name(params.person_name.as_deref(), &params.person_id);
     let person_dir = config.output_dir.join(&folder_name);
 
+    // If the folder exists, delete all its contents to start fresh
+    if person_dir.exists() {
+        tracing::info!("Removing existing folder: {}", person_dir.display());
+        tokio::fs::remove_dir_all(&person_dir).await?;
+    }
+
     // Create output directories
     let images_dir = person_dir.join("images");
     tokio::fs::create_dir_all(&images_dir).await?;