diff --git a/index.html b/index.html
index 9531692..735055b 100644
--- a/index.html
+++ b/index.html
@@ -23,6 +23,9 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
     <title>mcalc</title>
   </head>
   <body>
+		<noscript>
+			<p>This calculator requires JavaScript to function. Please enable JavaScript.</p>
+		</noscript>
 		<div id="calculator">
 			<div id="input-row">
 				<div id="expr-box">
