diff --git a/pkgs/applications/misc/wordnet/default.nix b/pkgs/applications/misc/wordnet/default.nix
index 88cc16ae7645..fccd7585e41e 100644
--- a/pkgs/applications/misc/wordnet/default.nix
+++ b/pkgs/applications/misc/wordnet/default.nix
@@ -18,6 +18,9 @@ stdenv.mkDerivation rec {
     sed "13i#define USE_INTERP_RESULT 1" -i src/stubs.c
   '';
 
+  # Fails the build on clang-16 and on upcoming gcc-14.
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=implicit-int";
+
   # Needs the path to `tclConfig.sh' and `tkConfig.sh'.
   configureFlags = [
     "--with-tcl=${tcl}/lib"