diff --git a/pkgs/tools/networking/uget/default.nix b/pkgs/tools/networking/uget/default.nix
index 2bece5e30dd7..5f255ecb80f8 100644
--- a/pkgs/tools/networking/uget/default.nix
+++ b/pkgs/tools/networking/uget/default.nix
@@ -11,6 +11,13 @@ stdenv.mkDerivation rec {
     sha256 = "0jchvgkkphhwp2z7vd4axxr9ns8b6vqc22b2z8a906qm8916wd8i";
   };
 
+  # Apply upstream fix for -fno-common toolchains.
+  postPatch = ''
+    # TODO: remove the replace once upstream fix is released:
+    #   https://sourceforge.net/p/urlget/uget2/ci/14890943c52e0a5cd2a87d8a1c51cbffebee7cf9/
+    substituteInPlace ui-gtk/UgtkBanner.h --replace "} banner;" "};"
+  '';
+
   nativeBuildInputs = [
     pkg-config
     intltool