diff --git a/htdocs/core/actions_builddoc.inc.php b/htdocs/core/actions_builddoc.inc.php
index 7cde7e6f886..4e2165d6f38 100644
--- a/htdocs/core/actions_builddoc.inc.php
+++ b/htdocs/core/actions_builddoc.inc.php
@@ -127,8 +127,23 @@ if ($action == 'remove_file' && $permissiontoadd) {
 		$langs->load("other");
 		$filetodelete = GETPOST('file', 'alpha');
 		$file = $upload_dir.'/'.$filetodelete;
+		$dirthumb = dirname($file).'/thumbs/'; // Chemin du dossier contenant la vignette (if file is an image)
 		$ret = dol_delete_file($file, 0, 0, 0, $object);
 		if ($ret) {
+			// If it exists, remove thumb.
+			$regs = array();
+			if (preg_match('/(\.jpg|\.jpeg|\.bmp|\.gif|\.png|\.tiff)$/i', $file, $regs)) {
+				$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_small'.$regs[0]);
+				if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
+					dol_delete_file($dirthumb.$photo_vignette);
+				}
+
+				$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_mini'.$regs[0]);
+				if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
+					dol_delete_file($dirthumb.$photo_vignette);
+				}
+			}
+
 			setEventMessages($langs->trans("FileWasRemoved", $filetodelete), null, 'mesgs');
 		} else {
 			setEventMessages($langs->trans("ErrorFailToDeleteFile", $filetodelete), null, 'errors');
diff --git a/htdocs/core/actions_linkedfiles.inc.php b/htdocs/core/actions_linkedfiles.inc.php
index 3e2438f63d3..ad9ca441e8a 100644
--- a/htdocs/core/actions_linkedfiles.inc.php
+++ b/htdocs/core/actions_linkedfiles.inc.php
@@ -112,21 +112,20 @@ if ($action == 'confirm_deletefile' && $confirm == 'yes' && (!isset($permissiont
 			dol_delete_file($fileold, 0, 0, 0, (is_object($object) ? $object : null)); // Delete file using old path
 		}
 
-		// If it exists, remove thumb.
-		$regs = array();
-		if (preg_match('/(\.jpg|\.jpeg|\.bmp|\.gif|\.png|\.tiff)$/i', $file, $regs)) {
-			$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_small'.$regs[0]);
-			if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
-				dol_delete_file($dirthumb.$photo_vignette);
-			}
-
-			$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_mini'.$regs[0]);
-			if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
-				dol_delete_file($dirthumb.$photo_vignette);
-			}
-		}
-
 		if ($ret) {
+			// If it exists, remove thumb.
+			$regs = array();
+			if (preg_match('/(\.jpg|\.jpeg|\.bmp|\.gif|\.png|\.tiff)$/i', $file, $regs)) {
+				$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_small'.$regs[0]);
+				if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
+					dol_delete_file($dirthumb.$photo_vignette);
+				}
+
+				$photo_vignette = basename(preg_replace('/'.$regs[0].'/i', '', $file).'_mini'.$regs[0]);
+				if (file_exists(dol_osencode($dirthumb.$photo_vignette))) {
+					dol_delete_file($dirthumb.$photo_vignette);
+				}
+			}
 			setEventMessages($langs->trans("FileWasRemoved", $urlfile), null, 'mesgs');
 		} else {
 			setEventMessages($langs->trans("ErrorFailToDeleteFile", $urlfile), null, 'errors');