diff --git a/scripts/relup-build/download-base-packages.sh b/scripts/relup-build/download-base-packages.sh
index 39c633395..8e03a4371 100755
--- a/scripts/relup-build/download-base-packages.sh
+++ b/scripts/relup-build/download-base-packages.sh
@@ -27,9 +27,13 @@ case $PROFILE in
         ;;
 esac
 
-UNAME="$(uname -s)"
-case "$UNAME" in
-    Darwin)
+SYSTEM="$(./scripts/get-distro.sh)"
+case "$SYSTEM" in
+    windows*)
+        echo "NOTE: no_relup_for_windows"
+        exit 0
+        ;;
+    macos*)
         SHASUM="shasum -a 256"
         ;;
     *)