diff --git a/fedora/fedora.sh b/fedora/fedora.sh
index 19fbf74..04c0912 100755
--- a/fedora/fedora.sh
+++ b/fedora/fedora.sh
@@ -4,6 +4,13 @@ set -euo pipefail
 # Source parent definitions (adjust path if needed)
 source "$(dirname "$0")/../main_script.sh"
 
+# Map the exported variables to your local names with fallbacks to satisfy set -u
+OS="${DETECTED_OS:-fedora}"
+DE="${SELECTED_DE:-none}"
+TWM="${SELECTED_TWM:-none}"
+INSTALL_LEVEL="${INSTALL_LEVEL:-minimal}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
 echo
 color_cyan "Starting Fedora setup..."
 echo