diff --git a/snippets/php/path_root_validation.php b/snippets/php/path_root_validation.php
index 07bc79d..315e113 100644
--- a/snippets/php/path_root_validation.php
+++ b/snippets/php/path_root_validation.php
@@ -93,6 +93,10 @@ class PathValidator
 					$userinfo = posix_getpwuid(posix_getuid());
 					$homedir = $userinfo['dir'];
 				}
+				else
+				{
+					throw new Exception("Could not find a way to get the home directory of the current user.");
+				}
 				
 				$homedir = $this->RemoveTrailingSlash($homedir);