diff --git a/modules/configuration.nix b/modules/configuration.nix
index 387c997..33fcbf8 100644
--- a/modules/configuration.nix
+++ b/modules/configuration.nix
@@ -55,6 +55,7 @@
     zsh
 
     wget
+    unzip
     less
     gnumake
     gcc
diff --git a/modules/environment.nix b/modules/environment.nix
index aa77a9a..84c2c41 100644
--- a/modules/environment.nix
+++ b/modules/environment.nix
@@ -8,14 +8,14 @@
     issue.source = ../etc/issue;
   };
 
-  # environment.variables = {
-  #   NIX_LD_LIBRARY_PATH = with pkgs; lib.makeLibraryPath [
-  #     stdenv.cc.cc
-  #     openssl
+  environment.variables = {
+    NIX_LD_LIBRARY_PATH = with pkgs; lib.makeLibraryPath [
+      stdenv.cc.cc
+      openssl
 
-  #     zlib # for delta
-  #   ];
-  #   NIX_LD = lib.fileContents "${pkgs.stdenv.cc}/nix-support/dynamic-linker";
-  # };
+      zlib # for delta
+    ];
+    NIX_LD = lib.fileContents "${pkgs.stdenv.cc}/nix-support/dynamic-linker";
+  };
 
 }