diff --git a/README.md b/README.md
index fc306ed..976f50c 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ See also at [LUG-VS-Wiki Nützliche Scripte](https://lug-vs.org//lugvswiki/index
 |[duc-index.sh](duc-index.sh)|Script to be added e.g. as cronjob, which generate an index w/o NFS and DavFS file system mounted files|
 |[make_exif-name.sh](make_exif-name.sh)|Add a comment in all *.jpg files in the actual and all subfolders|
 |[SavePC.sh](SavePC.sh)|Save some helpfull settings (not /home) and some general informatin|
-|[SaveX11crash.sh](SaveX11crash.sh)|Save the X11 logs and the journalctl of the last 10 minutes|
+|[SaveX11crash.sh](SaveX11crash.sh)|Save the X11 logs and the journalctl of the last 10 minutes (requires root)|
 |[SchredderHDD.sh](SchredderHDD.sh)|Delete a mechanical  Hard Disk (HDD) reliably to ensure before forward it to the recycling, that no old data are there|
 |[utf8.sh](utf8.sh)|Convert text from e.g. Windows latin1 to utf8 text (e.g. in READMEs or other text (not for office documents))|
 |[wmf2svg.sh](wmf2svg.sh)|Example script converts WMF files in SVG to share it easily on the internet|
diff --git a/SaveX11crash.sh b/SaveX11crash.sh
index a7609b6..f8f2e9b 100755
--- a/SaveX11crash.sh
+++ b/SaveX11crash.sh
@@ -2,16 +2,32 @@
 # SaveX11crash.sh save the X11 logs and the journalctl of the last 10 minutes
 #
 # (c) GPL by Ulf Bartholomäus ub1x@gmx.net
-VERSION="$( basename $0 ) Version 0.1.0 from 22.11.2021"
+VERSION="$( basename $0 ) Version 0.1.1 from 25.11.2021"
 #
 # Input:        n/a
 # Output:       progress and 7z compressed logs
 # Returnvalue:	0 if finished OK and 10 if there was an issue at 7z
 #
+# Changes:
+# 0.1.1
+#       Detect if not root
+# 0.1.0
+#       Initial version
+
+
+
 ## Verwendeten Pfad mit Datum und Uhrzeit definieren - da sich die Sekunden ändern könnten
 MyPath="${HOME}/X11-Crash_$(date +%F_%H-%M-%S)"
 MyTime="-10m" 								# -10m = die letzten 10 minuten
 
+## teste ob root rechte vorhanden
+if [ "`whoami`" != "root" ] ; then
+        echo -e "Nicht ausreichend Rechte - bitte als "root" anmelden!\nsu -c '$0'"
+        exit  20
+else 
+        echo -e "MyPath=${MyPath}"
+fi
+
 ## Pfad anlegen
 mkdir -p ${MyPath}