diff --git a/course_credit.module b/course_credit.module
index a52e77e..22ff2ab 100644
--- a/course_credit.module
+++ b/course_credit.module
@@ -783,7 +783,7 @@ function course_credit_settings_form() {
   $form['course_credit_open_claim'] = array(
     '#type' => 'checkbox',
     '#title' => t('Skip eligibility checks'),
-    '#description' => t('Mapping will not be used to determine eligibility. Users can claim any active credit type.'),
+    '#description' => t('Profile mapping will not be used to determine eligibility. Users can claim any active credit type. Select this if you are using Rules for eligibility.'),
     '#default_value' => variable_get('course_credit_open_claim', 0),
   );
 
@@ -1321,7 +1321,6 @@ function course_credit_user_credit_types($node, $account) {
       if ($open_claim) {
         // Credit claim is open. User is eligible for all active types.
         $valid_credit_instances[$ct_instance->type] = $ct_instance;
-        continue;
       }
 
       // If credit type is active, try mappings.
@@ -1353,15 +1352,16 @@ function course_credit_user_credit_types($node, $account) {
       }
     }
 
-    // Try rules. Rules overrides any result of a credit mapping.
+    // Rules cannot grant eligibility, only take it away. To use rules fully
+    // similar to the way Commerce/Ubercart payment conditions work, make sure
+    // "open claim" is set.
     if ($set = rules_config_load("course_credit_eligibility_{$ct_instance->type}")) {
-      if ($set->property('children')) {
-        if (!$enrollment) {
-          $enrollment = new stdClass;
-        }
-        if (!$set->execute($ct_instance, $account, $enrollment)) {
-          unset($valid_credit_instances[$ct_instance->type]);
-        }
+      if (!$enrollment) {
+        $enrollment = new stdClass;
+      }
+      if (!$set->execute($ct_instance, $account, $enrollment)) {
+        // The rule did not pass. Remove the credit type from eligbility.
+        unset($valid_credit_instances[$ct_instance->type]);
       }
     }
   }