diff --git a/default.nix b/default.nix
index 10c8b8e312..eb579b2c7d 100644
--- a/default.nix
+++ b/default.nix
@@ -48,6 +48,7 @@ stdenv.mkDerivation {
     "-DQON_QT6_BUILD=ON"
     "-DUSE_SYSTEM_BOTAN=1"
     "-DBUILD_WITH_SYSTEM_BOTAN=ON"
+    "-DQT_TRANSLATIONS_DIR=./translations"
   ];
 
   postInstall = ''