diff --git a/language/sv_SE/upgrade.lang.php b/language/sv_SE/upgrade.lang.php
index 42decc1f6..f75f07774 100644
--- a/language/sv_SE/upgrade.lang.php
+++ b/language/sv_SE/upgrade.lang.php
@@ -39,5 +39,6 @@ $lang['All sub-albums of private albums become private'] = 'Alla underliggande a
 $lang['User permissions and group permissions have been erased'] = 'Användare och grupper behörigheter har raderats';
 $lang['Only thumbnails prefix and webmaster mail address have been saved from previous configuration'] = 'miniatyrbilder Endast prefix och webmaster postadress har sparats från tidigare konfiguration';
 $lang['In <i>%s</i>, before <b>?></b>, insert:'] = 'I <i>%s</i>, innan <b>?></b>, infoga:';
+$lang['As a precaution, following themes have been deactivated. You must check for themes upgrade before reactiving them:'] = 'Som en försiktighetsåtgärd, har följande teman har avaktiverats. Du måste kollatema uppgraderingar innan du aktivera dem:';
 
 ?>
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