diff --git a/htdocs/core/lib/usergroups.lib.php b/htdocs/core/lib/usergroups.lib.php
index eed9043afa6..4aa2942884d 100644
--- a/htdocs/core/lib/usergroups.lib.php
+++ b/htdocs/core/lib/usergroups.lib.php
@@ -472,6 +472,7 @@ function showSkins($fuser, $edit = 0, $foruserprofile = false)
 		} else {
 			print $listofdarkmodes[isset($conf->global->THEME_DARKMODEENABLED) ? $conf->global->THEME_DARKMODEENABLED : 0];
 		}
+		print $form->textwithpicto('', $langs->trans("DoesNotWorkWithAllThemes"));
 		print '</tr>';
 	}
 
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 4c3d8c32799..bec98616b11 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2281,4 +2281,5 @@ IfThisCategoryIsChildOfAnother=If this category is a child of another one
 DarkThemeMode=Dark theme mode
 AlwaysDisabled=Always disabled
 AccordingToBrowser=According to browser
-AlwaysEnabled=Always Enabled
\ No newline at end of file
+AlwaysEnabled=Always Enabled
+DoesNotWorkWithAllThemes=Will not work with all themes
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/admin.lang b/htdocs/langs/fr_FR/admin.lang
index 68aa93b7b5d..3c653717801 100644
--- a/htdocs/langs/fr_FR/admin.lang
+++ b/htdocs/langs/fr_FR/admin.lang
@@ -2266,4 +2266,5 @@ UrlSocialNetworksDesc=Url link of social network. Use {socialid} for the variabl
 DarkThemeMode=Mode thème sombre
 AlwaysDisabled=Toujours désactivé
 AccordingToBrowser=Selon le navigateur
-AlwaysEnabled=Toujours activé
\ No newline at end of file
+AlwaysEnabled=Toujours activé
+DoesNotWorkWithAllThemes=Ne fonctionne pas avec tous les thèmes
\ No newline at end of file