diff --git a/mod/wiki/pagelib.php b/mod/wiki/pagelib.php
index 5d5dacf9b1c..d93982fc66c 100644
--- a/mod/wiki/pagelib.php
+++ b/mod/wiki/pagelib.php
@@ -946,9 +946,12 @@ class page_wiki_create extends page_wiki {
         } else {
             $groupid = '0';
         }
-        if (!$this->subwiki = wiki_get_subwiki_by_group($this->wid, $groupid)) {
-            $swid = wiki_add_subwiki($PAGE->activityrecord->id, $groupid, $this->uid);
-            $this->subwiki = wiki_get_subwiki($swid);
+        if (empty($this->subwiki)) {
+            // If subwiki is not set then try find one and set else create one.
+            if (!$this->subwiki = wiki_get_subwiki_by_group($this->wid, $groupid)) {
+                $swid = wiki_add_subwiki($PAGE->activityrecord->id, $groupid, $this->uid);
+                $this->subwiki = wiki_get_subwiki($swid);
+            }
         }
         if ($data) {
             $this->set_title($data->pagetitle);