diff --git a/resources/skins.vector.styles/components/LanguageDropdown.less b/resources/skins.vector.styles/components/LanguageDropdown.less
index 89f96e5e0..ecf0f492c 100644
--- a/resources/skins.vector.styles/components/LanguageDropdown.less
+++ b/resources/skins.vector.styles/components/LanguageDropdown.less
@@ -26,6 +26,7 @@
 		// T291286: Temporarily use progressive ULS style
 		&.cdx-button--action-progressive.cdx-button--weight-quiet::after {
 			mask-image: url( ./images/arrow-down-progressive.svg );
+			background-color: @color-progressive;
 			opacity: @opacity-base;
 		}
 	}