diff --git a/core/installer/repoio.go b/core/installer/repoio.go
index aae063c..54d9a7d 100644
--- a/core/installer/repoio.go
+++ b/core/installer/repoio.go
@@ -378,6 +378,8 @@
 			} else {
 				ret[k] = v
 			}
+		} else if t == "boolean" {
+			ret[k] = v
 		} else {
 			ret[k], err = deriveValues(v, def, networks)
 			if err != nil {