diff --git a/src/elements/teaser/teaser.scss b/src/elements/teaser/teaser.scss
index dce1da9c02..e91e849229 100644
--- a/src/elements/teaser/teaser.scss
+++ b/src/elements/teaser/teaser.scss
@@ -74,7 +74,7 @@
 }
 
 ::slotted([slot='image']) {
-  width: sbb.px-to-rem-build(300);
+  width: #{sbb.px-to-rem-build(300)};
   will-change: transform;
   display: block;
   filter: brightness(var(--sbb-teaser-brightness, 1));