diff --git a/flake.nix b/flake.nix
index 1af43176..8acea7c3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -129,6 +129,8 @@
 
           enableParallelBuilding = true;
 
+          doCheck = true;
+
           preCheck = ''
             patchShebangs .
             export LOGNAME=''${LOGNAME:-foo}