diff --git a/pkgs/applications/misc/1password/default.nix b/pkgs/applications/misc/1password/default.nix
index f45bff666cf..afe15949ee8 100644
--- a/pkgs/applications/misc/1password/default.nix
+++ b/pkgs/applications/misc/1password/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   unpackPhase = lib.optionalString stdenv.isDarwin ''
     xar -xf $src
-    zcat Payload | cpio -i
+    zcat op.pkg/Payload | cpio -i
   '';
 
   installPhase = ''