diff --git a/index.html b/index.html
index a8a206b..f83331c 100644
--- a/index.html
+++ b/index.html
@@ -116,7 +116,7 @@
             <h2>More levels</h2>
             <p>Supports CCL/DAT, C2G, C2M, and ZIP; drag and drop; and both custom and official levels.  <a href="https://github.com/eevee/lexys-labyrinth/wiki/Loading-Levels">More details</a></p>
             <div class="button-row">
-                <input id="splash-upload-file" type="file" accept=".dat,.ccl,.c2m,.ccs" multiple>
+                <input id="splash-upload-file" type="file" accept=".dat,.ccl,.c2m,.ccs,.zip" multiple>
                 <input id="splash-upload-dir" type="file" webkitdirectory>
                 <button type="button" id="splash-upload-file-button" class="button-big">Load files</button>
                 <button type="button" id="splash-upload-dir-button" class="button-big">Load directory</button>