diff --git a/pkgs/development/embedded/platformio/default.nix b/pkgs/development/embedded/platformio/default.nix
index 8843c36a9f6a..53eb74caaf79 100644
--- a/pkgs/development/embedded/platformio/default.nix
+++ b/pkgs/development/embedded/platformio/default.nix
@@ -1,10 +1,10 @@
-{ newScope, python3Packages }:
+{ newScope }:
 
 let
   callPackage = newScope self;
 
   self = {
-    platformio-core = python3Packages.callPackage ./core.nix { };
+    platformio-core = callPackage ./core.nix { };
 
     platformio-chrootenv = callPackage ./chrootenv.nix { };
   };