diff --git a/fedora/configure_fresh_system b/fedora/configure_fresh_system
index 138939ef..bf58d2ba 100755
--- a/fedora/configure_fresh_system
+++ b/fedora/configure_fresh_system
@@ -32,6 +32,9 @@ if [[ -z $NO_SYSTEMCTL ]]; then
 fi
 
 # docker
+if [[ -z $USER ]]; then
+    USER=`whoami`
+fi
 sudo groupadd docker
 sudo usermod -aG docker $USER