diff --git a/packages/docusaurus-theme-classic/src/theme/DocSidebar/styles.module.css b/packages/docusaurus-theme-classic/src/theme/DocSidebar/styles.module.css
index b3facdc63f..bcd8e1314f 100644
--- a/packages/docusaurus-theme-classic/src/theme/DocSidebar/styles.module.css
+++ b/packages/docusaurus-theme-classic/src/theme/DocSidebar/styles.module.css
@@ -7,7 +7,7 @@
 
 @media (min-width: 997px) {
   .sidebar {
-    height: calc(100vh - var(--ifm-navbar-height));
+    height: 100vh;
     overflow-y: auto;
     padding: 0.5rem;
     position: sticky;