diff --git a/src/Core/Theme.php b/src/Core/Theme.php
index 6696917490..2202780376 100644
--- a/src/Core/Theme.php
+++ b/src/Core/Theme.php
@@ -9,6 +9,7 @@ namespace Friendica\Core;
 use Friendica\BaseObject;
 use Friendica\Core\Logger;
 use Friendica\Core\System;
+use Friendica\Model\Profile;
 
 /**
  * Some functions to handle themes
@@ -196,16 +197,11 @@ class Theme
 
 		$query_params = [];
 
-		// Workaround for iOS Safari not initially sending the cookie for static files
-		if ($a->mobileDetect->isIos() && $a->mobileDetect->isSafari()) {
-			$query_params['t'] = time();
+		$puid = Profile::getThemeUid($a);
+		if ($puid) {
+			$query_params['puid'] = $puid;
 		}
 
-		if ($a->profile_uid) {
-			$query_params['puid'] = $a->profile_uid;
-		}
-
-
 		if (file_exists('view/theme/' . $theme . '/style.php')) {
 			return 'view/theme/' . $theme . '/style.pcss' . (!empty($query_params) ? '?' . http_build_query($query_params) : '');
 		}
diff --git a/src/Model/Profile.php b/src/Model/Profile.php
index 49fb868e3a..41e992aa49 100644
--- a/src/Model/Profile.php
+++ b/src/Model/Profile.php
@@ -1176,7 +1176,7 @@ class Profile
 	 * Get the user ID of the page owner.
 	 *
 	 * Used from within PCSS themes to set theme parameters. If there's a
-	 * puid request variable, that is the "page owner" and normally their theme
+	 * profile_uid variable set in App, that is the "page owner" and normally their theme
 	 * settings take precedence; unless a local user sets the "always_my_theme"
 	 * system pconfig, which means they don't want to see anybody else's theme
 	 * settings except their own while on this site.
@@ -1184,13 +1184,12 @@ class Profile
 	 * @brief Get the user ID of the page owner
 	 * @return int user ID
 	 *
-	 * @note Returns local_user instead of user ID if "always_my_theme"
-	 *      is set to true
+	 * @note Returns local_user instead of user ID if "always_my_theme" is set to true
 	 */
-	public static function getThemeUid()
+	public static function getThemeUid(App $a)
 	{
-		$uid = (!empty($_REQUEST['puid']) ? intval($_REQUEST['puid']) : 0);
-		if ((local_user()) && ((PConfig::get(local_user(), 'system', 'always_my_theme')) || (!$uid))) {
+		$uid = !empty($a->profile_uid) ? intval($a->profile_uid) : 0;
+		if (local_user() && (PConfig::get(local_user(), 'system', 'always_my_theme') || !$uid)) {
 			return local_user();
 		}
 
@@ -1198,7 +1197,7 @@ class Profile
 	}
 
 	/**
-	* Stip zrl parameter from a string.
+	* Strip zrl parameter from a string.
 	*
 	* @param string $s The input string.
 	* @return string The zrl.
diff --git a/view/theme/frio/php/default.php b/view/theme/frio/php/default.php
index ce7fd4d777..b9600cc22e 100644
--- a/view/theme/frio/php/default.php
+++ b/view/theme/frio/php/default.php
@@ -42,10 +42,7 @@ $is_singleuser_class = $is_singleuser ? "is-singleuser" : "is-not-singleuser";
 
 		// Add the theme color meta
 		// It makes mobile Chrome UI match Frio's top bar color.
-		$uid = $a->profile_uid;
-		if (is_null($uid)) {
-			$uid = Profile::getThemeUid();
-		}
+		$uid = Profile::getThemeUid($a);
 		$scheme = PConfig::get($uid, 'frio', 'scheme', PConfig::get($uid, 'frio', 'schema'));
 		if ($scheme && ($scheme != '---')) {
 			if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {