diff --git a/make-os-proprietary b/make-os-proprietary
index cd651e1..57bd7cb 100755
--- a/make-os-proprietary
+++ b/make-os-proprietary
@@ -9,7 +9,7 @@ if
 	source shell
 	source "env-$1"
 	source "env-proprietary"
-	make-base # Base image
+	make-base "$OPUS_OUTPUT/$1" # Base image
 	apply-stage "$OPUS_HOME/input/stage01" "$OPUS_OUTPUT/$1" # Packages (non-graphical)
 	apply-stage "$OPUS_HOME/input/stage49" "$OPUS_OUTPUT/$1" # Packages (proprietary firmware)
 	apply-stage "$OPUS_HOME/input/stage50" "$OPUS_OUTPUT/$1" # Packages (graphical)