diff --git a/mozilla/webtools/aus/xml/inc/config-dist.php b/mozilla/webtools/aus/xml/inc/config-dist.php
index ad32653cc65..ed083fa5258 100644
--- a/mozilla/webtools/aus/xml/inc/config-dist.php
+++ b/mozilla/webtools/aus/xml/inc/config-dist.php
@@ -559,7 +559,7 @@ $productBranchVersions = array(
            'nightly-profiling'       => 'mozilla-central',
            'nightly-esr10'           => 'mozilla-esr24',
            'nightly-esr17'           => 'mozilla-esr24',
-           'nightly-esr24'           => 'mozilla-esr24',
+           'nightly-esr24'           => 'mozilla-esr31',
            'nightly-esr31'           => 'mozilla-esr31',
            'aurora'                  => 'mozilla-aurora',
            'auroratest'              => 'mozilla-aurora-test'