diff --git a/content/_index.md b/content/_index.md
index c8ebecbbd4cec7fe0e9980441ae1ff15b66212cd..859972e6fd5313f2e4c563af40ae635897c5e622 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -76,4 +76,4 @@ Apertis provides a number of pre-built images for Intel (64-bit) and ARM (32-bit
 * [Design documents]( {{< ref "designs" >}} )
 * [Concept designs]( {{< ref "concepts" >}} )
 * [Supported APIs]( {{< ref "apis.md" >}} )
-* [App developer portal](https://developer.apertis.org)
+* [Developer Guide]( {{< ref "developer/_index.md" >}} )