diff --git a/bin/ocran b/bin/ocran
index 4fb7518..5a79bd8 100644
--- a/bin/ocran
+++ b/bin/ocran
@@ -326,6 +326,7 @@ EOF
         loop do
           relpath = path.relative_path_from(srcroot)
           if relpath.absolute?
+            puts relpath
             Ocran.fatal_error "No common directory contains all specified files"
           end
           if relpath.to_posix =~ /^\.\.\//