diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index b47bfbc79e6..66caf2ea23a 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -433,14 +433,16 @@ function pdf_build_address($outputlangs,$sourcecompany,$targetcompany='',$target
     			if (!empty($targetcontact->address)) {
     				$stringaddress .= ($stringaddress ? "\n" : '' ).$outputlangs->convToOutputCharset(dol_format_address($targetcontact))."\n";
     			} else {
-    				$companytouse = $targetcompany;
+    				$companytouseforaddress = $targetcompany;
 
-    				if($targetcontact->socid > 0 && $targetcontact->socid != $targetcompany->id) { // Contact thirdparty different from document thirdparty
+				// Contact on a thirdparty that is a different thirdparty than the thirdparty of object
+    				if ($targetcontact->socid > 0 && $targetcontact->socid != $targetcompany->id)
+				{
     					$targetcontact->fetch_thirparty();
-    					$companytouse = $targetcontact->thirdparty;
+    					$companytouseforaddress = $targetcontact->thirdparty;
     				}
 
-    				$stringaddress .= ($stringaddress ? "\n" : '' ).$outputlangs->convToOutputCharset(dol_format_address($companytouse))."\n";
+    				$stringaddress .= ($stringaddress ? "\n" : '' ).$outputlangs->convToOutputCharset(dol_format_address($companytouseforaddress))."\n";
     			}
     			// Country
     			if (!empty($targetcontact->country_code) && $targetcontact->country_code != $sourcecompany->country_code) {