diff --git a/apps/theming/css/ionos/settings.css b/apps/theming/css/ionos/settings.css
index fae279f518f7f..e61af4e60ab8e 100644
--- a/apps/theming/css/ionos/settings.css
+++ b/apps/theming/css/ionos/settings.css
@@ -25,4 +25,12 @@ div#content.app-settings {
 			}
 		}
 	}
+
+	#groupfolders-wrapper {
+		table tbody {
+			select {
+				background-color: var(--ion-context-menu-background);
+			}
+		}
+	}
 }
diff --git a/apps/theming/lib/Themes/IonosTheme.php b/apps/theming/lib/Themes/IonosTheme.php
index 0a9433550e966..00f29a57d5a1b 100644
--- a/apps/theming/lib/Themes/IonosTheme.php
+++ b/apps/theming/lib/Themes/IonosTheme.php
@@ -234,7 +234,7 @@ public function getCSSVariables(): array {
 
 			// used for different active/hover/focus/disabled states
 			'--color-background-hover' => 'light-dark( var(--ion-color-blue-b1), var(--ion-color-blue-b8))',
-			'--color-background-dark' => $this->util->darken($colorMainBackground, 7),
+			'--color-background-dark' => 'light-dark( ' . $this->util->darken($colorMainBackground, 7) . ', var(--ion-color-blue-b6))',
 			'--color-background-darker' => $this->util->darken($colorMainBackground, 14),
 
 			'--color-background-plain' => $ionColorMainBackground,