Version 5.0.13

system/Output/Plugin/Resource.php

@@ -12,11 +12,8 @@ namespace IPS\Output\Plugin;
 
 /* To prevent PHP errors (extending class does not exist) revealing path */
 
-use Exception;
 use IPS\Application;
-use IPS\Data\Cache;
 use IPS\IPS;
-use IPS\Member;
 use IPS\Theme;
 use function array_pop;
 use function count;
@@ -69,7 +66,11 @@ class Resource
 				return '"../../applications/' . $app . '/interface/' . $data . '"';
 			}
 
-			return '"../resources/' . $app . '_' . $hash  . '_' . $name . '"';
+			/* If we're building from install or upgrade, we need to use the relative paths otherwise the theme will use the building site's URL in the static files */
+			if ( $location !== 'admin' )
+			{
+				return '"../resources/' . $app . '_' . $hash  . '_' . $name . '"';
+			}
 		}
 
 		return "\\IPS\\Theme::i()->resource( \"{$data}\", \"{$app}\", '{$location}', {$noProtocol} )";