diff --git a/plans.script.nix b/plans.script.nix
index a63d43a..b4d9ac0 100644
--- a/plans.script.nix
+++ b/plans.script.nix
@@ -18,7 +18,7 @@ pkgs.writeShellScriptBin "plans" ''
 	fi
 	if [ "$1" = "done" ] ; then
 	  if [ "$2" != "" ] ; then
-			head -n $2 ~/sync/plans.txt > ~/plans.txt.tmp
+			head -n $(($2 - 1)) ~/sync/plans.txt > ~/plans.txt.tmp
 			tail -n"$(($(wc -l < ~/sync/plans.txt) - $2))" ~/sync/plans.txt >> ~/plans.txt.tmp
 		else
 			tail -n"$(($(wc -l < ~/sync/plans.txt) - 1))" ~/sync/plans.txt > ~/plans.txt.tmp