diff --git a/public/app.mjs b/public/app.mjs
index 3e94ee3..ff5f006 100644
--- a/public/app.mjs
+++ b/public/app.mjs
@@ -2058,6 +2058,15 @@ async function init() {
 		document.getElementById('dialog-file-picker').close();
 	});
 
+	document.getElementById('fp-file-input').addEventListener('change', (e) => {
+		const file = e.target.files[0];
+		if (!file) return;
+		const name_input = document.getElementById('fp-upload-name');
+		if (!name_input.value.trim()) {
+			name_input.value = file.name.replace(/\.pdf$/i, '');
+		}
+	});
+
 	qs(document.getElementById('dialog-file-picker'), '#fp-upload-btn').addEventListener('click', async () => {
 		const file_input = document.getElementById('fp-file-input');
 		const name_input = document.getElementById('fp-upload-name');
diff --git a/public/templates.html b/public/templates.html
index be8ee29..a8ad97f 100644
--- a/public/templates.html
+++ b/public/templates.html
@@ -566,7 +566,7 @@
 			<div class="form-section-label">Upload new PDF</div>
 			<div class="fp-upload-row">
 				<input type="file" id="fp-file-input" accept=".pdf,application/pdf">
-				<input type="text" id="fp-upload-name" placeholder="Display name (optional)" autocomplete="off">
+				<input type="text" id="fp-upload-name" placeholder="Display name" autocomplete="off">
 				<button type="button" class="btn btn-primary btn-sm" id="fp-upload-btn">Upload</button>
 			</div>
 		</div>
diff --git a/server.mjs b/server.mjs
index 5a88f8f..1f8979f 100644
--- a/server.mjs
+++ b/server.mjs
@@ -63,7 +63,7 @@ function remove_image_file(img_id) {
 	try { unlinkSync(join('./data/images', img_id)); } catch {}
 }
 
-const MV_SYNC = new URL('../tools/mv-sync', import.meta.url).pathname;
+const MV_SYNC = new URL('./tools/mv-sync', import.meta.url).pathname;
 
 // Atomically rename src -> dst, failing if dst already exists.
 // Uses renameat2(RENAME_NOREPLACE) via tools/mv-sync.
@@ -73,7 +73,7 @@ function rename_no_replace(src, dst) {
 		execFileSync(MV_SYNC, [src, dst]);
 		return true;
 	} catch (e) {
-		if (e.status === 1 && e.stderr?.toString().includes('File exists')) return false;
+		if (e.status === 1) return false;
 		throw e;
 	}
 }