diff --git a/tcpdf.php b/tcpdf.php
index cbc380a..024c56a 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -7806,7 +7806,7 @@ class TCPDF {
 			}
 			if (isset($this->imagekeys)) {
 				foreach($this->imagekeys as $file) {
-					if (strpos($file, K_PATH_CACHE) === 0) {
+					if (strpos($file, K_PATH_CACHE) === 0 && TCPDF_STATIC::file_exists($file)) {
 						@unlink($file);
 					}
 				}