1 files changed, 5 insertions, 3 deletions

diff --git a/pt b/pt
index 206795f..bca7d5b 100755
--- a/pt
+++ b/pt
@@ -29,9 +29,11 @@ $stdin.each_line do | line |
         $events[rec][time] = event
         $has[rec] ||= {}
         $has[rec][event] = true
-        $horiz[event] ||= ""
-        $horiz[event] = $horiz[event].ljust(time)
-        $horiz[event][time] = event
+        if event != "-"
+          $horiz[event] ||= ""
+          $horiz[event] = $horiz[event].ljust(time)
+          $horiz[event][time] = event
+        end
       end
       if data.size > 0
         $data[rec] ||= ""