diff --git a/public/index.html b/public/index.html
index ad8658b..5f2aa1e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -122,7 +122,7 @@
                     <div class="font-subheading center text-center">Enter key from another device to continue.</div>
                     <div class="center row-reverse">
                         <button class="button" type="submit" disabled>Pair</button>
-                        <button class="button" close>Cancel</button>
+                        <button class="button" type="button" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>
@@ -137,7 +137,7 @@
                     <div class="font-subheading center text-center">Are you sure to unpair all devices?</div>
                     <div class="center row-reverse">
                         <button class="button" type="submit">Unpair Devices</button>
-                        <button class="button" close>Cancel</button>
+                        <button class="button" type="button" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>
@@ -209,7 +209,7 @@
                     <div id="text-input" class="textarea" role="textbox" autocapitalize="none" spellcheck="false" autofocus contenteditable></div>
                     <div class="center row-reverse">
                         <button class="button" type="submit" title="STR + ENTER" disabled close>Send</button>
-                        <button class="button" title="ESCAPE" close>Cancel</button>
+                        <button class="button" type="button" title="ESCAPE" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>
diff --git a/public_included_ws_fallback/index.html b/public_included_ws_fallback/index.html
index 549e16e..6c70f9f 100644
--- a/public_included_ws_fallback/index.html
+++ b/public_included_ws_fallback/index.html
@@ -125,7 +125,7 @@
                     <div class="font-subheading center text-center">Enter key from another device to continue.</div>
                     <div class="center row-reverse">
                         <button class="button" type="submit" disabled>Pair</button>
-                        <button class="button" close>Cancel</button>
+                        <button class="button" type="button" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>
@@ -140,7 +140,7 @@
                     <div class="font-subheading center text-center">Are you sure to unpair all devices?</div>
                     <div class="center row-reverse">
                         <button class="button" type="submit">Unpair Devices</button>
-                        <button class="button" close>Cancel</button>
+                        <button class="button" type="button" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>
@@ -212,7 +212,7 @@
                     <div id="text-input" class="textarea" role="textbox" autocapitalize="none" spellcheck="false" autofocus contenteditable></div>
                     <div class="center row-reverse">
                         <button class="button" type="submit" title="STR + ENTER" disabled close>Send</button>
-                        <button class="button" title="ESCAPE" close>Cancel</button>
+                        <button class="button" type="button" title="ESCAPE" close>Cancel</button>
                     </div>
                 </x-paper>
             </x-background>