diff --git a/main/lang/english/forum.inc.php b/main/lang/english/forum.inc.php
index 5f0ce9fd0f..d234bd4464 100644
--- a/main/lang/english/forum.inc.php
+++ b/main/lang/english/forum.inc.php
@@ -138,4 +138,5 @@ $ModifyThread = "Edit thread";
 $EditForum = "Edit forum";
 $BackToForum = "Back to forum";
 $BackToForumOverview = "Back to forum overview";
+$BackToThread = "Back to thread";
 ?>
\ No newline at end of file
diff --git a/main/lang/spanish/forum.inc.php b/main/lang/spanish/forum.inc.php
index 7255bd1fa5..a623337515 100644
--- a/main/lang/spanish/forum.inc.php
+++ b/main/lang/spanish/forum.inc.php
@@ -138,4 +138,5 @@ $ModifyThread = "Modificar tema";
 $EditForum = "Editar foro";
 $BackToForum = "Volver al foro";
 $BackToForumOverview = "Volver a la vista general del foro";
+$BackToThread = "Regresar a tema";
 ?>
\ No newline at end of file