diff --git a/doc.zih.tu-dresden.de/util/check-filesize.sh b/doc.zih.tu-dresden.de/util/check-filesize.sh
index 9b11b09c742a387513a265da28aca57d5533516b..bdb81978520c82e37c4a78c1cbf5738223fb4a76 100755
--- a/doc.zih.tu-dresden.de/util/check-filesize.sh
+++ b/doc.zih.tu-dresden.de/util/check-filesize.sh
@@ -38,8 +38,8 @@ source_hash=`git merge-base HEAD "$branch"`
 for f in $(git diff $source_hash --name-only); do    
     fs=$(wc -c $f | awk '{print $1}')
     if [ $fs -gt 1048576 ]; then
-	echo $f 'is over 1M ('$fs' bytes)'
-	large_files_present=true
+        echo $f 'is over 1M ('$fs' bytes)'
+        large_files_present=true
     fi
 done