diff --git a/pkgs/development/libraries/qt-6/modules/qtbase.nix b/pkgs/development/libraries/qt-6/modules/qtbase.nix
index 6dc903f8af9e..78365891d6fb 100644
--- a/pkgs/development/libraries/qt-6/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtbase.nix
@@ -227,6 +227,7 @@ stdenv.mkDerivation rec {
   env.NIX_CFLAGS_COMPILE = "-DNIXPKGS_QT_PLUGIN_PREFIX=\"${qtPluginPrefix}\"";
 
   outputs = [ "out" "dev" ];
+  separateDebugInfo = true;
 
   moveToDev = false;