diff --git a/packages/docusaurus-plugin-content-blog/src/index.ts b/packages/docusaurus-plugin-content-blog/src/index.ts
index 177d2056f9..d0228b6720 100644
--- a/packages/docusaurus-plugin-content-blog/src/index.ts
+++ b/packages/docusaurus-plugin-content-blog/src/index.ts
@@ -288,7 +288,7 @@ export default function pluginContentBlog(
             component: blogPostComponent,
             exact: true,
             modules: {
-              sidebar: sidebarProp,
+              sidebar: aliasedSource(sidebarProp),
               content: metadata.source,
             },
           });
@@ -312,7 +312,7 @@ export default function pluginContentBlog(
             component: blogListComponent,
             exact: true,
             modules: {
-              sidebar: sidebarProp,
+              sidebar: aliasedSource(sidebarProp),
               items: items.map((postID) => {
                 // To tell routes.js this is an import and not a nested object to recurse.
                 return {
@@ -360,7 +360,7 @@ export default function pluginContentBlog(
             component: blogTagsPostsComponent,
             exact: true,
             modules: {
-              sidebar: sidebarProp,
+              sidebar: aliasedSource(sidebarProp),
               items: items.map((postID) => {
                 const metadata = blogItemsToMetadata[postID];
                 return {
@@ -391,7 +391,7 @@ export default function pluginContentBlog(
           component: blogTagsListComponent,
           exact: true,
           modules: {
-            sidebar: sidebarProp,
+            sidebar: aliasedSource(sidebarProp),
             tags: aliasedSource(tagsListPath),
           },
         });