diff --git a/apps/testing/index.html b/apps/testing/index.html
index 3181903ea..54248b50b 100644
--- a/apps/testing/index.html
+++ b/apps/testing/index.html
@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
     <title>Testing App</title>
   </head>
   <body>
diff --git a/samples/groupchannel/index.html b/samples/groupchannel/index.html
index 79c470191..6bc5754d1 100644
--- a/samples/groupchannel/index.html
+++ b/samples/groupchannel/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
     <title>Vite + React</title>
   </head>
   <body>
diff --git a/samples/openchannel/index.html b/samples/openchannel/index.html
index 79c470191..6bc5754d1 100644
--- a/samples/openchannel/index.html
+++ b/samples/openchannel/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
     <title>Vite + React</title>
   </head>
   <body>
diff --git a/samples/router/index.html b/samples/router/index.html
index e0d1c8408..9d273f686 100644
--- a/samples/router/index.html
+++ b/samples/router/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
     <title>Vite + React + TS</title>
   </head>
   <body>
diff --git a/samples/typescript_sample/public/index.html b/samples/typescript_sample/public/index.html
index aa069f27c..47b17ccef 100644
--- a/samples/typescript_sample/public/index.html
+++ b/samples/typescript_sample/public/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="utf-8" />
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
