diff --git a/htdocs/core/lib/invoice2.lib.php b/htdocs/core/lib/invoice2.lib.php
index 288a1f5a014fc..72703a72fc4db 100644
--- a/htdocs/core/lib/invoice2.lib.php
+++ b/htdocs/core/lib/invoice2.lib.php
@@ -242,40 +242,38 @@ function rebuild_merge_pdf($db, $langs, $conf, $diroutputpdf, $newlangid, $filte
 					$fac = new Expedition($db);
 				}
 
-				if ($fac) {
-					$result = $fac->fetch($obj->rowid);
-					if ($result > 0) {
-						$outputlangs = $langs;
-						if (!empty($newlangid)) {
-							if ($outputlangs->defaultlang != $newlangid) {
-								$outputlangs = new Translate("", $conf);
-								$outputlangs->setDefaultLang($newlangid);
-							}
+				$result = $fac->fetch($obj->rowid);
+				if ($result > 0) {
+					$outputlangs = $langs;
+					if (!empty($newlangid)) {
+						if ($outputlangs->defaultlang != $newlangid) {
+							$outputlangs = new Translate("", $conf);
+							$outputlangs->setDefaultLang($newlangid);
 						}
-						$filename = $dir_output.'/'.$fac->ref.'/'.$fac->ref.'.pdf';
-						if ($regenerate || !dol_is_file($filename)) {
-							if ($usestdout) {
-								print "Build PDF for document ".$obj->ref." - Lang = ".$outputlangs->defaultlang."\n";
-							}
-							$result = $fac->generateDocument($regenerate ? $regenerate : $fac->model_pdf, $outputlangs);
-						} else {
-							if ($usestdout) {
-								print "PDF for document ".$obj->ref." already exists\n";
-							}
-						}
-
-						// Add file into files array
-						$files[] = $filename;
 					}
-
-					if ($result <= 0) {
-						$error++;
+					$filename = $dir_output.'/'.$fac->ref.'/'.$fac->ref.'.pdf';
+					if ($regenerate || !dol_is_file($filename)) {
+						if ($usestdout) {
+							print "Build PDF for document ".$obj->ref." - Lang = ".$outputlangs->defaultlang."\n";
+						}
+						$result = $fac->generateDocument($regenerate ? $regenerate : $fac->model_pdf, $outputlangs);
+					} else {
 						if ($usestdout) {
-							print "Error: Failed to build PDF for document ".($fac->ref ? $fac->ref : ' id '.$obj->rowid)."\n";
-						} else {
-							dol_syslog("Failed to build PDF for document ".($fac->ref ? $fac->ref : ' id '.$obj->rowid), LOG_ERR);
+							print "PDF for document ".$obj->ref." already exists\n";
 						}
 					}
+
+					// Add file into files array
+					$files[] = $filename;
+				}
+
+				if ($result <= 0) {
+					$error++;
+					if ($usestdout) {
+						print "Error: Failed to build PDF for document ".($fac->ref ? $fac->ref : ' id '.$obj->rowid)."\n";
+					} else {
+						dol_syslog("Failed to build PDF for document ".($fac->ref ? $fac->ref : ' id '.$obj->rowid), LOG_ERR);
+					}
 				}
 
 				$cpt++;