diff --git a/packaging/dependencies.nix b/packaging/dependencies.nix
index 22d4cf9e3..acdbc9cfc 100644
--- a/packaging/dependencies.nix
+++ b/packaging/dependencies.nix
@@ -79,6 +79,8 @@ let
         !stdenv.hostPlatform.isWindows
         # build failure
         && !stdenv.hostPlatform.isStatic
+        # LTO breaks exception handling on x86-64-darwin.
+        && stdenv.system != "x86_64-darwin"
       ) ''
         case "$mesonBuildType" in
         release|minsize) appendToVar mesonFlags "-Db_lto=true"  ;;