diff --git a/core/templates/layout.guest.php b/core/templates/layout.guest.php
index 967c4d3dbd..2211b3ef1a 100644
--- a/core/templates/layout.guest.php
+++ b/core/templates/layout.guest.php
@@ -11,7 +11,9 @@
 		</title>
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+		<?php if ($theme->getiTunesAppId() !== '') { ?>
 		<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
+		<?php } ?>
 		<meta name="theme-color" content="<?php p($theme->getColorPrimary()); ?>">
 		<link rel="icon" href="<?php print_unescaped(image_path('', 'favicon.ico')); /* IE11+ supports png */ ?>">
 		<link rel="apple-touch-icon-precomposed" href="<?php print_unescaped(image_path('', 'favicon-touch.png')); ?>">
diff --git a/core/templates/layout.public.php b/core/templates/layout.public.php
index 2927c525ec..36a5f1e538 100644
--- a/core/templates/layout.public.php
+++ b/core/templates/layout.public.php
@@ -10,7 +10,9 @@
 	</title>
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
 	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+	<?php if ($theme->getiTunesAppId() !== '') { ?>
 	<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
+	<?php } ?>
 	<meta name="apple-mobile-web-app-capable" content="yes">
 	<meta name="apple-mobile-web-app-status-bar-style" content="black">
 	<meta name="apple-mobile-web-app-title" content="<?php p((!empty($_['application']) && $_['appid']!=='files')? $_['application']:$theme->getTitle()); ?>">
diff --git a/core/templates/layout.user.php b/core/templates/layout.user.php
index 458af24696..e895ea8809 100644
--- a/core/templates/layout.user.php
+++ b/core/templates/layout.user.php
@@ -10,7 +10,9 @@
 		</title>
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+		<?php if ($theme->getiTunesAppId() !== '') { ?>
 		<meta name="apple-itunes-app" content="app-id=<?php p($theme->getiTunesAppId()); ?>">
+		<?php } ?>
 		<meta name="apple-mobile-web-app-capable" content="yes">
 		<meta name="apple-mobile-web-app-status-bar-style" content="black">
 		<meta name="apple-mobile-web-app-title" content="<?php p((!empty($_['application']) && $_['appid']!='files')? $_['application']:$theme->getTitle()); ?>">