diff --git a/pkgs/misc/screensavers/betterlockscreen/default.nix b/pkgs/misc/screensavers/betterlockscreen/default.nix
index 476b2ae872dd..b7f8ce99b533 100644
--- a/pkgs/misc/screensavers/betterlockscreen/default.nix
+++ b/pkgs/misc/screensavers/betterlockscreen/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     cp betterlockscreen $out/bin/betterlockscreen
     wrapProgram "$out/bin/betterlockscreen" --prefix PATH : "$out/bin:${lib.makeBinPath [ bc coreutils i3lock-color gawk gnugrep gnused imagemagick procps xdpyinfo xrandr xset ]}"
 
-    runHook preInstall
+    runHook postInstall
   '';
 
   meta = with lib; {