From 958adc57af4253aa510101b568638028c7f923d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cau=C3=AA=20Marcondes?=
 <55978943+cauemarcondes@users.noreply.github.com>
Date: Wed, 8 Sep 2021 15:23:52 -0400
Subject: [PATCH] [APM] Bug with Transaction Latency Threshold rule (#111541)

---
 x-pack/plugins/apm/public/components/alerting/fields.tsx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/x-pack/plugins/apm/public/components/alerting/fields.tsx b/x-pack/plugins/apm/public/components/alerting/fields.tsx
index 8480fd276cb7..e48263515236 100644
--- a/x-pack/plugins/apm/public/components/alerting/fields.tsx
+++ b/x-pack/plugins/apm/public/components/alerting/fields.tsx
@@ -42,10 +42,13 @@ export function EnvironmentField({
   const title = i18n.translate('xpack.apm.alerting.fields.environment', {
     defaultMessage: 'Environment',
   });
-
-  // "1" means "All" is the only option and we should not show a select.
   if (options.length === 1) {
-    return <EuiExpression description={title} value={ENVIRONMENT_ALL.text} />;
+    return (
+      <EuiExpression
+        description={title}
+        value={currentValue || ENVIRONMENT_ALL.text}
+      />
+    );
   }
 
   return (