From d22cdf027c3e2357f75fb36262699716821b2b40 Mon Sep 17 00:00:00 2001
From: fbsanchez <fborja.sanchez@artica.es>
Date: Mon, 21 Jun 2021 10:06:03 +0200
Subject: [PATCH] Empty variables also translates macros

---
 pandora_server/lib/PandoraFMS/Core.pm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pandora_server/lib/PandoraFMS/Core.pm b/pandora_server/lib/PandoraFMS/Core.pm
index ac01010059..7766ac0cb9 100644
--- a/pandora_server/lib/PandoraFMS/Core.pm
+++ b/pandora_server/lib/PandoraFMS/Core.pm
@@ -3969,6 +3969,9 @@ sub pandora_evaluate_snmp_alerts ($$$$$$$$$) {
 				$value =~ s/"$//;
 				
 				$macros{$macro_name} = $value;
+			} else {
+				# Empty variable.
+				$macros{$macro_name} = '';
 			}
 		}
 		$count--;