diff --git a/src/assets/wise5/authoringTool/project-authoring/project-authoring.component.scss b/src/assets/wise5/authoringTool/project-authoring/project-authoring.component.scss
index d3c40fcb30..3b6df0840b 100644
--- a/src/assets/wise5/authoringTool/project-authoring/project-authoring.component.scss
+++ b/src/assets/wise5/authoringTool/project-authoring/project-authoring.component.scss
@@ -94,7 +94,7 @@
   cursor: pointer;
 }
 
-.underline {
+.unused-header {
   text-decoration: underline;
 }