1 files changed, 2 insertions, 2 deletions

diff --git a/hosts/vidhar/borg/default.nix b/hosts/vidhar/borg/default.nix
index 67b731a2..9374a08d 100644
--- a/hosts/vidhar/borg/default.nix
+++ b/hosts/vidhar/borg/default.nix
@@ -42,7 +42,7 @@ let
     };
   };
 
-  copyBorg = pkgs.stdenv.mkDerivation {
+  copyBorg = pkgs.stdenv.mkDerivation rec {
     name = "copy";
     src = ./copy.py;
 
@@ -54,7 +54,7 @@ let
 
     buildPhase = ''
       substitute $src copy \
-        --subst-var python
+        --subst-var-by python ${escapeShellArg python}
     '';
 
     doCheck = true;