diff --git a/pwn/.envrc b/pwn/.envrc
index 4a87cb9..ebf2961 100644
--- a/pwn/.envrc
+++ b/pwn/.envrc
@@ -1,2 +1,2 @@
 nix_direnv_watch_file ./devshell.nix
-use flake
+use flake .
diff --git a/pwn/devshell.nix b/pwn/devshell.nix
index 8434e94..c03bd3a 100644
--- a/pwn/devshell.nix
+++ b/pwn/devshell.nix
@@ -32,11 +32,11 @@
     env = [
       {
         name = "NIX_LD";
-        value = "$PWD/ld-linux-x86-64.so.2";
+		eval = "$PRJ_ROOT/ld-linux-x86-64.so.2";
       }
 	  {
 		name = "NIX_LD_LIBRARY_PATH";
-		value = "$PWD/libc.so.6";
+		eval = "$PRJ_ROOT";
 	  }
     ];
   };