diff --git a/OPSI/control b/OPSI/control
index ab498fd..7b92b4f 100644
--- a/OPSI/control
+++ b/OPSI/control
@@ -27,6 +27,15 @@ requiredProduct: sereby.aio
 requiredStatus: installed
 requirementType: before
 
+[ProductProperty]
+type: unicode
+name: install_architecture
+multivalue: False
+editable: False
+description: which architecture (32/64 bit) has to be installed
+values: ["32 only", "64 only", "both", "system specific"]
+default: ["system specific"]
+
 [ProductProperty]
 type: bool
 name: desktoplink