diff --git a/pkgs/by-name/op/openjfx/package.nix b/pkgs/by-name/op/openjfx/package.nix
index e563214c9b9e..02de38b11506 100644
--- a/pkgs/by-name/op/openjfx/package.nix
+++ b/pkgs/by-name/op/openjfx/package.nix
@@ -115,6 +115,8 @@ stdenv.mkDerivation {
 
   __darwinAllowLocalNetworking = true;
 
+  # GCC 14 makes these errors by default
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types -Wno-error=int-conversion";
   env.config = writeText "gradle.properties" ''
     CONF = Release
     JDK_HOME = ${jdk-bootstrap.home}