diff --git a/og_context/og_context.module b/og_context/og_context.module
index edacfe7..5ed2735 100644
--- a/og_context/og_context.module
+++ b/og_context/og_context.module
@@ -138,6 +138,13 @@ function og_context_og_context_negotiation_info() {
     'menu path' => array('user/%/edit'),
   );
 
+  $providers['comment'] = array(
+    'name' => t('Comment'),
+    'description' => t("Determine context by checking if the parent content of the comment belongs to a group"),
+    'callback' => 'og_context_handler_add_comment',
+    'menu path' => array('comment/reply/%', 'comment/%'),
+  );
+
   return $providers;
 }
 
@@ -405,8 +412,12 @@ function og_context_handler_url() {
 /**
  * Context handler; Get groups from existing node or ctools context.
  */
-function og_context_handler_node() {
-  if ($node = menu_get_object('node')) {
+function og_context_handler_node($node = NULL) {
+
+  if (!is_null($node)) {
+    return _group_context_handler_entity('node', $node);
+  }
+  elseif ($node = menu_get_object('node')) {
     return _group_context_handler_entity('node', $node);
   }
 
@@ -457,6 +468,20 @@ function og_context_handler_user_edit() {
 }
 
 /**
+ * Context handler; Get groups from parent of comment being added to it.
+ */
+function og_context_handler_add_comment() {
+  $comment_path = menu_get_item();
+  $comment = comment_load(end($comment_path['original_map']));
+  if (isset($comment->nid)) {
+    return og_context_handler_node(node_load($comment->nid));
+  }
+  else {
+    return;
+  }
+}
+
+/**
  * Helper function to get group context from an entity.
  *
  * @param $entity_type