diff --git a/templates/mobile_view_page.mustache b/templates/mobile_view_page.mustache
index c0bfa91534b9c12612459958caa32506ba9df8fd..3635e8172cb6eadc9f31bff9982a3db7712989c9 100644
--- a/templates/mobile_view_page.mustache
+++ b/templates/mobile_view_page.mustache
@@ -1,6 +1,8 @@
 {{=<% %>=}}
 <div style="height: 100%; width: 100%; background: white;">
     <iframe
+            width="100%"
+            height="100%"
             src="<% wwwroot %>/mod/hvp/embed.php?id=<% cmid %>&user_id=<% user_id %>&secret=<% secret %>"
             frameborder="0"
             allow="microphone; camera"