diff --git a/flake.nix b/flake.nix
index 7144fff733..4a17194ff0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -214,7 +214,7 @@
             };
             "aarch64-darwin" = {
               # this is the aarch64-darwin iOS build (to be patched with mac2ios)
-              "aarch64-darwin-ios:lib:simplex-chat" = (drv' { pkgs' = pkgs; extra-modules = [{ packages.simplexmq.flags.swiftJSON = true; }] } ).simplex-chat.components.library.override {
+              "aarch64-darwin-ios:lib:simplex-chat" = (drv' { pkgs' = pkgs; extra-modules = [{ packages.simplexmq.flags.swiftJSON = true; }]; } ).simplex-chat.components.library.override {
                 smallAddressSpace = true; enableShared = false;
                 # we need threaded here, otherwise all the queing logic doesn't work properly.
                 # for iOS we also use -staticlib, to get one rolled up library.