From 6b084142dcb00fe8e2a0d88ab6d63e5ccaa2ccb5 Mon Sep 17 00:00:00 2001
From: Mathieu Lutfy <mathieu@bidon.ca>
Date: Tue, 15 Jan 2019 14:14:53 -0500
Subject: [PATCH] setLocale: precaution for when setLocale is called on an
 unilingual site

---
 CRM/Core/I18n.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/CRM/Core/I18n.php b/CRM/Core/I18n.php
index 02340b421c1a..119ff57f9dae 100644
--- a/CRM/Core/I18n.php
+++ b/CRM/Core/I18n.php
@@ -667,9 +667,12 @@ public function setLocale($locale) {
       $this->setPhpGettextLocale($locale);
     }
 
-    // for sql queries
+    // For sql queries, if running in DB multi-lingual mode.
     global $dbLocale;
-    $dbLocale = "_{$locale}";
+
+    if ($dbLocale) {
+      $dbLocale = "_{$locale}";
+    }
 
     // For self::getLocale()
     global $tsLocale;