diff --git a/info.xml b/info.xml
index 9962f556..4cf665b4 100644
--- a/info.xml
+++ b/info.xml
@@ -16,7 +16,7 @@
   </urls>
   <documentation></documentation>
   <releaseDate>2016-07-15</releaseDate>
-  <version>1.5.1</version>
+  <version>1.5.2</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>4.5</ver>
diff --git a/js/booking/add-sub-resource/view.js b/js/booking/add-sub-resource/view.js
old mode 100644
new mode 100755
index cea6c44c..e4583271
--- a/js/booking/add-sub-resource/view.js
+++ b/js/booking/add-sub-resource/view.js
@@ -399,6 +399,7 @@ CRM.BookingApp.module('AddSubResource', function(AddSubResource, BookingApp, Bac
                   },
                   'api.option_value.get':{
                     value: '$value.unit_id',
+                    sequential: 1,
                     option_group_id: '$value.api.option_group.get.id'
                   }
                 }
diff --git a/templates/CRM/Booking/Form/SelectResource.js b/templates/CRM/Booking/Form/SelectResource.js
index 16833a61..eaff6534 100755
--- a/templates/CRM/Booking/Form/SelectResource.js
+++ b/templates/CRM/Booking/Form/SelectResource.js
@@ -167,7 +167,7 @@ cj(function ($) {
                             },
                             'api.option_value.get': {
                                 value: '$value.unit_id',
-                                sequental: 1,
+                                sequential: 1,
                                 option_group_id: '$value.api.option_group.get.value'
                             }
                         }