diff --git a/src/options.html b/src/options.html
index 63b2ef8..e4c3f3c 100644
--- a/src/options.html
+++ b/src/options.html
@@ -24,7 +24,7 @@
 
   <body>
     <form id="tab-limit-form">
-      <label>Tab limit <input type="number" id="tab-limit-input"></label>
+      <label>Tab limit <input min="1" type="number" id="tab-limit-input"></label>
       <button type="submit">Save</button>
     </form>
 
