diff --git a/.changeset/thick-scissors-notice.md b/.changeset/thick-scissors-notice.md
new file mode 100644
index 0000000000..ccf78f3abf
--- /dev/null
+++ b/.changeset/thick-scissors-notice.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core': patch
+---
+
+Make sure that SidebarItems are also active when on sub route.
diff --git a/packages/core/src/layout/Sidebar/Items.tsx b/packages/core/src/layout/Sidebar/Items.tsx
index 57cf435651..e41a45a225 100644
--- a/packages/core/src/layout/Sidebar/Items.tsx
+++ b/packages/core/src/layout/Sidebar/Items.tsx
@@ -215,7 +215,6 @@ export const SidebarItem = forwardRef<any, SidebarItemProps>((props, ref) => {
       {...childProps}
       activeClassName={classes.selected}
       to={props.to}
-      end
       ref={ref}
     >
       {content}