diff --git a/core/templates/layout.base.php b/core/templates/layout.base.php
index 043ac32fbc..0529521bcd 100644
--- a/core/templates/layout.base.php
+++ b/core/templates/layout.base.php
@@ -7,7 +7,7 @@
 		</title>
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="referrer" content="no-referrer">
-		<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
 		<meta name="theme-color" content="<?php p($theme->getColorPrimary()); ?>">
 		<link rel="icon" href="<?php print_unescaped(image_path('', 'favicon.ico')); /* IE11+ supports png */ ?>">
 		<link rel="apple-touch-icon-precomposed" href="<?php print_unescaped(image_path('', 'favicon-touch.png')); ?>">
diff --git a/core/templates/layout.guest.php b/core/templates/layout.guest.php
index 21bd72fc88..2f94f94217 100644
--- a/core/templates/layout.guest.php
+++ b/core/templates/layout.guest.php
@@ -7,7 +7,7 @@
 		</title>
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="referrer" content="no-referrer">
-		<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
 		<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
 		<meta name="theme-color" content="<?php p($theme->getColorPrimary()); ?>">
 		<link rel="icon" href="<?php print_unescaped(image_path('', 'favicon.ico')); /* IE11+ supports png */ ?>">
diff --git a/core/templates/layout.public.php b/core/templates/layout.public.php
index 2317a7b36e..abd7e942c0 100644
--- a/core/templates/layout.public.php
+++ b/core/templates/layout.public.php
@@ -10,7 +10,7 @@
 	</title>
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
 	<meta name="referrer" content="never">
-	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
 	<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
 	<meta name="apple-mobile-web-app-capable" content="yes">
 	<meta name="apple-mobile-web-app-status-bar-style" content="black">
diff --git a/core/templates/layout.user.php b/core/templates/layout.user.php
index bf16c1740e..1a3a7091c5 100644
--- a/core/templates/layout.user.php
+++ b/core/templates/layout.user.php
@@ -10,7 +10,7 @@
 		</title>
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="referrer" content="no-referrer">
-		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
 		<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
 		<meta name="apple-mobile-web-app-capable" content="yes">
 		<meta name="apple-mobile-web-app-status-bar-style" content="black">