diff --git a/integrationtests/test.sh b/integrationtests/test.sh
index ab6ea545a34c5288d5eb5119ab8c7e9b11b5c445..9f8d003c9219f7e243fd50c5d846b9a7450b9c7b 100755
--- a/integrationtests/test.sh
+++ b/integrationtests/test.sh
@@ -43,23 +43,23 @@ mv DataAnalysis/2010_TestProject/2019-02-03_something/README.xlsx \
    DataAnalysis/2010_TestProject/2019-02-03_something/README.xlsx_back
 cd ..
 echo "run crawler"
-./crawl.py  / | tee $OUT
+./crawl.py  / | tee "$OUT"
 # rename the moved file
 mv extroot/DataAnalysis/2010_TestProject/2019-02-03_something/README.xlsx_back \
    extroot/DataAnalysis/2010_TestProject/2019-02-03_something/README.xlsx
 # check whether there was something UNAUTHORIZED
-grep "There where unauthorized changes" $OUT
+grep "There where unauthorized changes" "$OUT"
 # get the id of the run which is the last field of the output string
-RUN_ID=$(grep "run id:" $OUT | awk '{ print $NF }')
+RUN_ID=$(grep "run id:" "$OUT" | awk '{ print $NF }')
 echo $RUN_ID
 echo "run crawler again"
 echo "./crawl.py -a $RUN_ID /"
-./crawl.py -a $RUN_ID / | tee  $OUT
+./crawl.py -a $RUN_ID / | tee  "$OUT"
 set +e
-if grep "There where unauthorized changes" $OUT
+if grep "There where unauthorized changes" "$OUT"
 then 
-    echo "There were still unauthorized changes which should not have happend!"
-    echo "Test FAILED!"
+    echo "There still were unauthorized changes, which should not have happend!"
+    echo "Test FAILED"
     exit 1
 fi
 set -e