diff --git a/system/Helpers/url_helper.php b/system/Helpers/url_helper.php
index d854fc9bfa2e..f58045ae73a7 100644
--- a/system/Helpers/url_helper.php
+++ b/system/Helpers/url_helper.php
@@ -42,9 +42,12 @@ function _get_uri(string $relativePath = '', App $config = null): URI
 		{
 			throw new InvalidArgumentException('_get_uri() requires a valid baseURL.');
 		}
+
+		// If a full URI was passed then convert it
 		if (is_int(strpos($relativePath, '://')))
 		{
-			throw new InvalidArgumentException('_get_uri() only accepts relative paths.');
+			$full         = new URI($relativePath);
+			$relativePath = URI::createURIString(null, null, $full->getPath(), $full->getQuery(), $full->getFragment());
 		}
 
 		$relativePath = URI::removeDotSegments($relativePath);