diff --git a/pullrev.sh b/pullrev.sh
index c366613..255cda4 100755
--- a/pullrev.sh
+++ b/pullrev.sh
@@ -35,7 +35,7 @@ prev=/dev/null
 for r in $*; do
     echo "+ fetching ${r}"
     this=`mktemp /tmp/pullrevXXXXXX`
-    svn diff -c ${r} ${repo} | filterdiff --remove-timestamps -x 'CHANGES' -x 'next-number' -x 'STATUS' \
+    svn diff -c ${r} ${repo} | filterdiff --remove-timestamps --clean -x 'CHANGES' -x 'next-number' -x 'STATUS' \
         --addprefix="${prefix}/" > ${this}
     next=`mktemp /tmp/pullrevXXXXXX`
     combinediff --quiet ${prev} ${this} > ${next}