diff --git a/htdocs/core/modules/printing/printgcp.modules.php b/htdocs/core/modules/printing/printgcp.modules.php
index 391f5b435d7..c04d3ac9ca5 100644
--- a/htdocs/core/modules/printing/printgcp.modules.php
+++ b/htdocs/core/modules/printing/printgcp.modules.php
@@ -332,6 +332,7 @@ class printing_printgcp extends PrintingDriver
 		}
 		$fileprint .= '/'.$file;
 		$mimetype = dol_mimetype($fileprint);
+		$printer_id = '';
 		// select printer uri for module order, propal,...
 		$sql = "SELECT rowid, printer_id, copy FROM ".MAIN_DB_PREFIX."printing WHERE module='".$this->db->escape($module)."' AND driver='printgcp' AND userid=".((int) $user->id);
 		$result = $this->db->query($sql);