diff --git a/makemeeting.module b/makemeeting.module
index fb651bf..0cdc9a8 100755
--- a/makemeeting.module
+++ b/makemeeting.module
@@ -114,6 +114,15 @@ function makemeeting_delete_answer($form, &$form_state, $answer, $redirect = TRU
 function makemeeting_delete_answer_submit($form, &$form_state) {
   $answer = $form['#answer'];
   db_delete('makemeeting_answers')->condition('answer_id', $answer->answer_id)->execute();
+
+  // Invalidate related entity page cache.
+  if (variable_get('cache', FALSE)) {
+    global $base_root;
+    $entities = entity_load($answer->entity_type, array($answer->entity_id));
+    $entity = reset($entities);
+    $uri = entity_uri($answer->entity_type, $entity);
+    cache_clear_all($base_root . '/' . $uri['path'], 'cache_page');
+  }
 }
 
 /**
@@ -741,6 +750,15 @@ function makemeeting_answers_form_submit($form, $form_state) {
       'uid' => $user->uid,
     ))->execute();
   }
+
+  // Invalidate related entity page cache.
+  if (variable_get('cache', FALSE)) {
+    global $base_root;
+    $entities = entity_load($form_state['values']['entity_type'], array($form_state['values']['entity_id']));
+    $entity = reset($entities);
+    $uri = entity_uri($answer->entity_type, $entity);
+    cache_clear_all($base_root . '/' . $uri['path'], 'cache_page');
+  }
 }
 
 /**