diff --git a/stylesheets/components/StoryViewer.scss b/stylesheets/components/StoryViewer.scss
index ebbda99a33..5df9b82bd7 100644
--- a/stylesheets/components/StoryViewer.scss
+++ b/stylesheets/components/StoryViewer.scss
@@ -30,6 +30,9 @@
   &__close-button {
     @include button-reset;
     @include modal-close-button;
+    @include light-theme {
+      @include color-svg('../images/icons/v2/x-24.svg', $color-gray-15);
+    }
     right: 28px;
     top: var(--title-bar-drag-area-height);
     z-index: $z-index-above-above-base;