diff --git a/Upgrade/upgrade-script.sh b/Upgrade/upgrade-script.sh
index 02d7252..3d700ef 100644
--- a/Upgrade/upgrade-script.sh
+++ b/Upgrade/upgrade-script.sh
@@ -41,7 +41,7 @@ declare -A CONF=(  # Wrapped in an array not to type var-names twice.
     [VERBOSE]="$VERBOSE"
     [AIODIR]="${AIODIR:=}"
     [WINPYDIR]="${WINPYDIR:=}"
-    [STEPS]="${STEPS=}"  # 1-based
+    [STEPS]="${STEPS:=1 2 3 4 5}"  # 1-based
     [DRY_RUN]="${DRY_RUN:=}"
     [KEEP_GOING]="${KEEP_GOING:=}"
     [DEBUG]="${DEBUG:=}"