diff --git a/pkgs/applications/misc/qlcplus/default.nix b/pkgs/applications/misc/qlcplus/default.nix
index 261a597f8d7..439af2b8c01 100644
--- a/pkgs/applications/misc/qlcplus/default.nix
+++ b/pkgs/applications/misc/qlcplus/default.nix
@@ -29,6 +29,8 @@ mkDerivation rec {
 
   qmakeFlags = [ "INSTALLROOT=$(out)" ];
 
+  NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
+
   postPatch = ''
     patchShebangs .
     sed -i -e '/unix:!macx:INSTALLROOT += \/usr/d' \