diff --git a/flake.nix b/flake.nix
index 8b183fee3..58c1661d5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -148,7 +148,7 @@
           ocaml5_1 = mkShell packages_5_1 pkgs_5_1;
 
           release =
-            packages_4_14.mkShell { buildInputs = [ pkgs_4_14.dune-release ]; };
+            pkgs_4_14.mkShell { buildInputs = [ pkgs_4_14.dune-release ]; };
         };
       }));
 }