diff --git a/pkgs/development/libraries/example-robot-data/default.nix b/pkgs/development/libraries/example-robot-data/default.nix
index 67e1de59891d031..d4211be982ef993 100644
--- a/pkgs/development/libraries/example-robot-data/default.nix
+++ b/pkgs/development/libraries/example-robot-data/default.nix
@@ -33,6 +33,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake
+  ] ++ lib.optionals pythonSupport [
+    python3Packages.python
   ];
 
   buildInputs = lib.optionals pythonSupport [