diff --git a/src/plugins/platforms/wasm/wasm_shell.html b/src/plugins/platforms/wasm/wasm_shell.html
index 5c30c8fadc..9ec18abe5b 100644
--- a/src/plugins/platforms/wasm/wasm_shell.html
+++ b/src/plugins/platforms/wasm/wasm_shell.html
@@ -12,7 +12,7 @@
     <title>@APPNAME@</title>
     <style>
       /* Make the html body cover the entire (visual) viewport with no scroll bars. */
-      html, body { padding: 0; margin: 0; overflow:hidden; height: 100vh }
+      html, body { padding: 0; margin: 0; overflow:hidden; height: 100% }
       /* Make the canvas cover the entire body */
       canvas { height:100%; width:100%; }
     </style>