diff --git a/packages/perseus/src/widgets/interactive-graphs/mafs-styles.css b/packages/perseus/src/widgets/interactive-graphs/mafs-styles.css
index 829cf49815..1316db2281 100644
--- a/packages/perseus/src/widgets/interactive-graphs/mafs-styles.css
+++ b/packages/perseus/src/widgets/interactive-graphs/mafs-styles.css
@@ -23,7 +23,7 @@
 }
 
 .MafsView .movable-segment {
-    --mafs-segment-stroke-color: rgba(33, 36, 44, 0.64); /* offBlack64 */;
+    --mafs-segment-stroke-color: rgba(33, 36, 44, 0.64); /* offBlack64 */
     --mafs-segment-stroke-weight: 2px;
 }