diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 51dd9d3f561..7c9fa253ee5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14454,7 +14454,7 @@ with pkgs;
 
   lynx = callPackage ../applications/networking/browsers/lynx { };
 
-  lyx = libsForQt57.callPackage ../applications/misc/lyx { };
+  lyx = libsForQt56.callPackage ../applications/misc/lyx { };
 
   mail-notification = callPackage ../desktops/gnome-2/desktop/mail-notification {};