diff --git a/packages/journalctl-last-invocation/package.nix b/packages/journalctl-last-invocation/package.nix
index 5eecd75..2d69100 100644
--- a/packages/journalctl-last-invocation/package.nix
+++ b/packages/journalctl-last-invocation/package.nix
@@ -10,11 +10,9 @@ mkDerivation {
 	pname = "journalctl-last-invocation" ;
 	version = "2025-03-10" ;
 
-	dontUnpack = true ;
+	phases = [ "installPhase" ] ;
 
 	installPhase = ''
-		runHook preInstall
-
 		mkdir -p $out/bin
 
 		cat <<- EOF > $out/bin/journalctl-last-invocation
@@ -23,6 +21,6 @@ mkDerivation {
 			exec ${systemd}/bin/journalctl _SYSTEMD_INVOCATION_ID=\$( ${systemd}/bin/systemctl show --value --property=InvocationID \$1 )
 		EOF
 
-		runHook postInstall
+		chmod +x $out/bin/*
 	'' ;
 }