1 files changed, 6 insertions, 1 deletions
diff --git a/core/SettingsServer.php b/core/SettingsServer.php
index 3f6fbb8878..d84e3ff483 100644
--- a/core/SettingsServer.php
+++ b/core/SettingsServer.php
@@ -127,9 +127,14 @@ class SettingsServer
     {
         static $gd = null;
         if (is_null($gd)) {
+            $gd = false;
+
             $extensions = @get_loaded_extensions();
-            $gd = in_array('gd', $extensions) && function_exists('imageftbbox');
+            if (is_array($extensions)) {
+                $gd = in_array('gd', $extensions) && function_exists('imageftbbox');
+            }
         }
+
         return $gd;
     }