diff --git a/bin/git-summary b/bin/git-summary
index eac6366..eead234 100755
--- a/bin/git-summary
+++ b/bin/git-summary
@@ -48,10 +48,10 @@ authors() {
   { args[NR] = $0; sum += $0 }
   END {
     for (i = 1; i <= NR; ++i) {
-      printf "%-30s\t %2.1f%%\n", args[i], 100 * args[i] / sum
+      printf "%s,%2.1f%%\n", args[i], 100 * args[i] / sum
     }
   }
-  '
+  ' | column -t -s,
 }
 
 #