diff --git a/src/scss/vue3-easy-data-table.scss b/src/scss/vue3-easy-data-table.scss
index b537a73..c8f169e 100644
--- a/src/scss/vue3-easy-data-table.scss
+++ b/src/scss/vue3-easy-data-table.scss
@@ -232,7 +232,7 @@ table {
   position: relative;
   .expand-icon {
     border: solid;
-    border-color: var(easy-table-body-row-font-color);
+    border-color: var(--easy-table-body-row-font-color);
 
     border-width: 0 2px 2px 0;
     display: inline-block;
@@ -313,4 +313,4 @@ table {
   top: 0px;
   left: 0px;
   z-index: 1;
-}
\ No newline at end of file
+}