1 files changed, 4 insertions, 1 deletions
diff --git a/phpBB/phpbb/version_helper.php b/phpBB/phpbb/version_helper.php
index e2fdf6ce63..76bd477e18 100644
--- a/phpBB/phpbb/version_helper.php
+++ b/phpBB/phpbb/version_helper.php
@@ -247,7 +247,7 @@ class version_helper
 
 			$info = json_decode($info, true);
 
-			if (empty($info['stable']) || empty($info['unstable']))
+			if (empty($info['stable']) && empty($info['unstable']))
 			{
 				$this->user->add_lang('acp/common');
 
@@ -263,6 +263,9 @@ class version_helper
 				}
 			}
 
+			$info['stable'] = (empty($info['stable'])) ? array() : $info['stable'];
+			$info['unstable'] = (empty($info['unstable'])) ? $info['stable'] : $info['unstable'];
+
 			$this->cache->put($cache_file, $info, 86400); // 24 hours
 		}