diff --git a/templates/user/import.tmpl b/templates/user/import.tmpl
index 7642023..3400e2f 100644
--- a/templates/user/import.tmpl
+++ b/templates/user/import.tmpl
@@ -1,61 +1,61 @@
 {{define "import"}}
 {{template "header" .}}
 	<style>
 		input[type=file] {
 			padding: 0;
 			font-size: 0.86em;
 			display: block;
 			margin: 0.5rem 0;
 		}
 		label {
 			display: block;
 			margin: 1em 0;
 		}
 	</style>
 
 <div class="snug content-container">
 	<h1 id="import-header">Import posts</h1>
 	{{if .Message}}
 	<div class="alert {{if .InfoMsg}}info{{else}}success{{end}}">
 		<p>{{.Message}}</p>
 	</div>
 	{{end}}
 	{{if .Flashes}}
 		<ul class="errors">
 			{{range .Flashes}}<li class="urgent">{{.}}</li>{{end}}
 		</ul>
 	{{end}}
 	<p>Publish plain text or Markdown files to your account by uploading them below.</p>
 	<div class="formContainer">
 		<form id="importPosts" class="prominent" enctype="multipart/form-data" action="/api/me/import" method="POST">
 			<label>Select some files to import:
 				<input id="fileInput" class="fileInput" name="files" type="file" multiple accept="text/markdown, text/plain"/>
 			</label>
 			<input id="fileDates" name="fileDates" hidden/>
 			<label>
 				Import these posts to:
 				<select name="collection">
 					{{range $i, $el := .Collections}}
 						<option value="{{.Alias}}" {{if eq $i 0}}selected{{end}}>{{.DisplayTitle}}</option>
 					{{end}}
 					<option value="">Drafts</option>
 				</select>
 			</label>
 			<script>
 				const fileInput = document.getElementById('fileInput');
 				const fileDates = document.getElementById('fileDates');
 				fileInput.addEventListener('change', (e) => {
 					const files = e.target.files;
 					let dateMap = {};
 					for (let file of files) {
-						dateMap[file.name] = file.lastModified;
+						dateMap[file.name] = file.lastModified / 1000;
 					}
 					fileDates.value = JSON.stringify(dateMap);
 				})
 			</script>
 			<input type="submit" value="Import" />
 		</form>
 	</div>
 </div>
 {{template "footer" .}}
 {{end}}