diff --git a/app/www/index.html b/app/www/index.html
index de5bdb1..53038a9 100644
--- a/app/www/index.html
+++ b/app/www/index.html
@@ -215,7 +215,7 @@
 	</div>
 	<div>
 		<div class="label">Exposure (ms)</div>
-		<input type="number" id="exposure" value="630" min="630" step="1" />
+		<input type="number" id="exposure" value="0" min="0" step="1" />
 	</div>
 	<div>
 		<div class="label">Delay (ms)</div>