diff --git a/slapprepare/slapprepare/script/slapos b/slapprepare/slapprepare/script/slapos
index 3ec5d38fdf7c73346f9f9992208892bd60826830..d55e89d754b4e2ea067f861b0b494fa6170d3c6d 100755
--- a/slapprepare/slapprepare/script/slapos
+++ b/slapprepare/slapprepare/script/slapos
@@ -90,8 +90,8 @@ while :; do
   if [ -f /opt/slapos/bin/slapformat ] && [ -f /opt/slapos/bin/bang ]; then
       zypper search -i slapos.node | grep slapos.node > /dev/null
       if [ $? != 0 ]; then
-	    echo -n "Installing SlapOS"
-	    zypper --gpg-auto-import-keys install -fy slapos.node
+        echo -n "Installing SlapOS"
+        zypper --gpg-auto-import-keys install -fy slapos.node
       fi
     # slapos tools available, nothing to do
     break