diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index a214c98d0ce..7d2e90f593e 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -5673,7 +5673,7 @@ abstract class CommonObject
 
 				// Check that the file exists, before indexing it.
 				// Hint: It does not exist, if we create a PDF and auto delete the ODT File
-				if (file_exists($destfull)) {
+				if (dol_is_file($destfull)) {
 					$this->indexFile($destfull, $update_main_doc_field);
 				}
 			} else {