diff --git a/tcpdf.php b/tcpdf.php
index d18294a..6d04f09 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -23995,7 +23995,7 @@ Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value:
 			case 'stop': {
 				// gradient stops
 				if (substr($attribs['offset'], -1) == '%') {
-					$offset = floatval(substr($attribs['offset'], -1)) / 100;
+					$offset = floatval(substr($attribs['offset'], 0, -1)) / 100;
 				} else {
 					$offset = floatval($attribs['offset']);
 					if ($offset > 1) {