diff --git a/minerva.less/minerva.mixins.less b/minerva.less/minerva.mixins.less
index a0e85a020..a97f323dd 100644
--- a/minerva.less/minerva.mixins.less
+++ b/minerva.less/minerva.mixins.less
@@ -75,6 +75,6 @@
 	line-height: 1.4;
 }
 
-.night-mode-invert() {
+.night-mode-invert-image() {
 	filter: invert( 1 ) hue-rotate( 180deg );
 }
diff --git a/resources/skins.minerva.base.styles/CSSCustomProperties.less b/resources/skins.minerva.base.styles/CSSCustomProperties.less
index 10d6cd622..ac7625cbf 100644
--- a/resources/skins.minerva.base.styles/CSSCustomProperties.less
+++ b/resources/skins.minerva.base.styles/CSSCustomProperties.less
@@ -103,6 +103,7 @@
 .night-mode-invert() {
 	color-scheme: light;
 	.light-mode-palette();
+	// Keep in sync with .night-mode-invert-image() mixin.
 	filter: invert( 1 ) hue-rotate( 180deg );
 }
 
diff --git a/resources/skins.minerva.base.styles/footer.less b/resources/skins.minerva.base.styles/footer.less
index 18a1f1985..356bc6d31 100644
--- a/resources/skins.minerva.base.styles/footer.less
+++ b/resources/skins.minerva.base.styles/footer.less
@@ -58,14 +58,14 @@
 // Night mode
 html.skin-night-mode-clientpref-1 {
 	.minerva-footer-logo img {
-		.night-mode-invert();
+		.night-mode-invert-image();
 	}
 }
 
 @media ( prefers-color-scheme: dark ) {
 	html.skin-night-mode-clientpref-2 {
 		.minerva-footer-logo img {
-			.night-mode-invert();
+			.night-mode-invert-image();
 		}
 	}
 }
diff --git a/resources/skins.minerva.base.styles/header.less b/resources/skins.minerva.base.styles/header.less
index b253be194..8f097efad 100644
--- a/resources/skins.minerva.base.styles/header.less
+++ b/resources/skins.minerva.base.styles/header.less
@@ -76,14 +76,14 @@
 // Night mode
 html.skin-night-mode-clientpref-1 {
 	.branding-box img {
-		.night-mode-invert();
+		.night-mode-invert-image();
 	}
 }
 
 @media ( prefers-color-scheme: dark ) {
 	html.skin-night-mode-clientpref-2 {
 		.branding-box img {
-			.night-mode-invert();
+			.night-mode-invert-image();
 		}
 	}
 }