diff --git a/badges/lib/backpacklib.php b/badges/lib/backpacklib.php
index 3cc9f88e659..58a9b745e50 100644
--- a/badges/lib/backpacklib.php
+++ b/badges/lib/backpacklib.php
@@ -64,7 +64,7 @@ class OpenBadgesBackpackHandler {
             'RETURNTRANSFER' => true,
             'FORBID_REUSE' => true,
             'HEADER' => 0,
-            'CONNECTTIMEOUT_MS' => 3000,
+            'CONNECTTIMEOUT' => 3,
         );
 
         if ($action == 'user') {
diff --git a/lib/badgeslib.php b/lib/badgeslib.php
index 3713f94590f..194a0c76ed8 100644
--- a/lib/badgeslib.php
+++ b/lib/badgeslib.php
@@ -1279,7 +1279,7 @@ function badges_check_backpack_accessibility() {
         'FRESH_CONNECT' => true,
         'RETURNTRANSFER' => true,
         'HEADER' => 0,
-        'CONNECTTIMEOUT_MS' => 2000,
+        'CONNECTTIMEOUT' => 2,
     );
     $location = 'http://backpack.openbadges.org/baker';
     $out = $curl->get($location, array('assertion' => $fakeassertion->out(false)), $options);