diff --git a/flake.nix b/flake.nix
index 4947d1d..035ff1c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,7 +33,7 @@
             pname = "vaporise";
             version = "0.2.1";
             cargoLock.lockFile = ./Cargo.lock;
-            meta.mainProgram = "vpr";
+            meta.lib.mainProgram = "vpr";
             src = ./.;
           };