diff --git a/default.nix b/default.nix
--- a/default.nix
+++ b/default.nix
@@ -133,6 +133,7 @@ let
 
         for file in $out/bin/*; do
           wrapProgram $file \
+            --prefix PATH : $PATH \
             --prefix PYTHONPATH : $PYTHONPATH \
             --set PYTHONHASHSEED random
         done