diff --git a/pkgs/applications/misc/bashSnippets/default.nix b/pkgs/applications/misc/bashSnippets/default.nix
index d50f36379881..52d56d5c8f56 100644
--- a/pkgs/applications/misc/bashSnippets/default.nix
+++ b/pkgs/applications/misc/bashSnippets/default.nix
@@ -1,10 +1,10 @@
 { stdenv, lib, fetchFromGitHub, makeWrapper
-, curl, python, bind, iproute, bc, gitMinimal }:
+, curl, python3, bind, iproute, bc, gitMinimal }:
 let
   version = "1.23.0";
   deps = lib.makeBinPath [
     curl
-    python
+    python3
     bind.dnsutils
     iproute
     bc
@@ -24,11 +24,13 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ makeWrapper ];
 
-  patchPhase = ''
+  postPatch = ''
     patchShebangs install.sh
     substituteInPlace install.sh --replace /usr/local "$out"
   '';
 
+  strictDeps = true;
+
   dontBuild = true;
 
   installPhase = ''