diff --git a/og_access/og_access.module b/og_access/og_access.module
index d250233..26d9b1f 100644
--- a/og_access/og_access.module
+++ b/og_access/og_access.module
@@ -239,15 +239,17 @@ function _og_access_verify_access_field_existence($node) {
     $groups_bundles = og_get_all_group_bundle();
     $target_type = $field_info['settings']['target_type'];
 
-    foreach (array_keys($groups_bundles[$target_type]) as $bundle) {
-      $instances = field_info_instances('node', $bundle);
-      // Verify that the OG access field is attached to the group bundles.
-      if (empty($instances[OG_ACCESS_FIELD])) {
-        $params = array(
-          '@nid' => $node->nid,
-          '@bundle' => $bundle,
-        );
-        throw new OgException(format_string('Cannot set visibility of node ID @nid as the group node of type "@bundle" does not have the "Group visibility" field attached to it.', $params));
+    if ($target_type == 'node') {
+      foreach (array_keys($groups_bundles[$target_type]) as $bundle) {
+        $instances = field_info_instances('node', $bundle);
+        // Verify that the OG access field is attached to the group bundles.
+        if (empty($instances[OG_ACCESS_FIELD])) {
+          $params = array(
+            '@nid' => $node->nid,
+            '@bundle' => $bundle,
+          );
+          throw new OgException(format_string('Cannot set visibility of node ID @nid as the group node of type "@bundle" does not have the "Group visibility" field attached to it.', $params));
+        }
       }
     }
   }