diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 304d941..1674cdf 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,10 @@
+### 0.5.0+1de8f07 (Released 2022-7-8)
+* Additions:
+    * latest commit #1de8f07
+    * [[#6aec175](https://github.com/Freymaurer/Nfdi4Plants.Fornax/commit/6aec175b5141ad87f113b6a0ac5e7bcf9d740850)] Update to rm deprecated from test client
+    * [[#3036cf4](https://github.com/Freymaurer/Nfdi4Plants.Fornax/commit/3036cf47d8a46e9b4f3084d1e4430267d60173ae)] Merge branch 'main' of https://github.com/Freymaurer/nfdi4plants-fornax-template
+    * [[#1de8f07](https://github.com/Freymaurer/Nfdi4Plants.Fornax/commit/1de8f0722c7d61c82441e2f3af5536be9ee10f52)] add sidebar basepath logic
+
 ### 0.4.0+9e56047 (Released 2022-7-8)
 * Additions:
     * latest commit #9e56047
diff --git a/src/Nfdi4Plants.Fornax/MarkdigExtensions/nfdi-sidebar-element-header.fs b/src/Nfdi4Plants.Fornax/MarkdigExtensions/nfdi-sidebar-element-header.fs
index da659cb..ab2a12f 100644
--- a/src/Nfdi4Plants.Fornax/MarkdigExtensions/nfdi-sidebar-element-header.fs
+++ b/src/Nfdi4Plants.Fornax/MarkdigExtensions/nfdi-sidebar-element-header.fs
@@ -42,11 +42,10 @@ module NfdiSidebarElementHeader =
 
             let attr = hb.GetAttributes()
             attr.AddProperty("slot", "inner")
+
             if href.IsSome then 
-                attr.AddProperty(
-                    "href", 
-                    if productionBasePath.IsSome then System.IO.Path.Combine(productionBasePath.Value, href.Value) else href.Value
-                )
+                let nextHref = if productionBasePath.IsSome then "/" + productionBasePath.Value.Trim([|'/'|]) + "/" + href.Value.Trim([|'/'|]) else href.Value
+                attr.AddProperty("href", nextHref)
 
             if (renderer.EnableHtmlForBlock) then
                 renderer.Write('<') |> ignore
@@ -83,5 +82,6 @@ module NfdiSidebarElementHeader =
         // <param name="pipeline">The Markdig <see cref="MarkdownPipelineBuilder"/> to add the extension to</param>
         static member UseSidebarHeader(pipeline : MarkdownPipelineBuilder, ?productionBasePath) =
             let x = if productionBasePath.IsSome then SidebarHeaderExtension(productionBasePath.Value) else SidebarHeaderExtension()
+            printfn "HIT: %A" productionBasePath
             pipeline.Extensions.Add(x)
             pipeline
\ No newline at end of file
diff --git a/tests/Nfdi4Plants.Fornax.Tests/nfdi-sidebar-element-header.tests.fs b/tests/Nfdi4Plants.Fornax.Tests/nfdi-sidebar-element-header.tests.fs
index f1438eb..369bd2e 100644
--- a/tests/Nfdi4Plants.Fornax.Tests/nfdi-sidebar-element-header.tests.fs
+++ b/tests/Nfdi4Plants.Fornax.Tests/nfdi-sidebar-element-header.tests.fs
@@ -38,6 +38,6 @@ let tests =
         test "basePathPipeline" {
             let markdown = """# Start testing!:/docs/start-testing"""
             let result = Markdown.ToHtml(markdown, basePathPipeline)
-            Expect.equal result $"""<h1 slot="inner" href="TestURL/docs/start-testing">Start testing!</h1>{'\010'}""" ""
+            Expect.equal result $"""<h1 slot="inner" href="/TestURL/docs/start-testing">Start testing!</h1>{'\010'}""" ""
         }
     ]
\ No newline at end of file