diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index dcf5ebff74b..fdb07237bac 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -926,13 +926,21 @@ function pdf_getlinedesc($object,$i,$outputlangs,$hideref=0,$hidedesc=0,$issuppl
 			
 			//Manage HTML entities description test
 			//Cause $prodser->description is store with htmlentities but $desc no
+			$testHTMLDescNeedTranslated=true;
+			$testDescNeedTranslated=true;
 			if ($conf->global->FCKEDITOR_ENABLE_PRODUCTDESC) {
-				$testDescNeedTranslated=(strpos(dol_html_entity_decode($desc,ENT_QUOTES | ENT_HTML401),dol_html_entity_decode($prodser->description,ENT_QUOTES | ENT_HTML401))!==false);
+				if (!empty($desc) && !empty($prodser->description)) {
+					$testHTMLDescNeedTranslated=(strpos(dol_html_entity_decode($desc,ENT_QUOTES | ENT_HTML401),dol_html_entity_decode($prodser->description,ENT_QUOTES | ENT_HTML401))!==false);
+				}
 			} else {
-				$testDescNeedTranslated=true;
+				if (!empty($desc) && !empty($prodser->description)) {
+					$testDescNeedTranslated = (strpos($desc,$prodser->description)!==false);
+				} else {
+					$testDescNeedTranslated=false;
+				}
 			}
 			
-			if (! empty($prodser->multilangs[$outputlangs->defaultlang]["description"]) && ($testDescNeedTranslated || (strpos($desc,$prodser->description)!==false)))  $desc=$prodser->multilangs[$outputlangs->defaultlang]["description"];
+			if (! empty($prodser->multilangs[$outputlangs->defaultlang]["description"]) && ($testHTMLDescNeedTranslated || $testDescNeedTranslated))  $desc=$prodser->multilangs[$outputlangs->defaultlang]["description"];
 			if (! empty($prodser->multilangs[$outputlangs->defaultlang]["note"]) && $note == $prodser->note)        $note=$prodser->multilangs[$outputlangs->defaultlang]["note"];
 		}
 	}