diff --git a/devtest/compare.sh b/devtest/compare.sh
index bc9ed76..f869c02 100755
--- a/devtest/compare.sh
+++ b/devtest/compare.sh
@@ -5,6 +5,8 @@
 #   ./compare.sh gora ~/src/asf/gora-site main
 #
 
+set -x
+
 invoked="`dirname $0`"
 absdir="`realpath $invoked`"
 bindir="`dirname $absdir`/bin"
@@ -14,8 +16,6 @@
 source="$2"  # URL or pathname to a local clone
 branch="$3"
 
-set -x
-
 ### maybe skip if already defined in ENV?
 export LIBCMARKDIR=/tmp/cm/cmark-gfm-0.28.3.gfm.12/lib
 
@@ -31,4 +31,4 @@
 git checkout asf-site
 
 # Give a quick summary of old/new site
-diff -rq output "/tmp/$project/source/output"
+diff -rq "$source/output" "/tmp/$project/source/output"