diff --git a/src/SPC/builder/unix/library/curl.php b/src/SPC/builder/unix/library/curl.php
index 0d0b8d8d1..c38201e54 100644
--- a/src/SPC/builder/unix/library/curl.php
+++ b/src/SPC/builder/unix/library/curl.php
@@ -24,6 +24,7 @@ protected function build(): void
             ->optionalLib('libssh2', fn ($lib) => "-DLIBSSH2_LIBRARY=\"{$lib->getStaticLibFiles(style: 'cmake')}\" -DLIBSSH2_INCLUDE_DIR={$lib->getIncludeDir()}", '-DCURL_USE_LIBSSH2=OFF')
             ->optionalLib('nghttp2', fn ($lib) => "-DUSE_NGHTTP2=ON -DNGHTTP2_LIBRARY=\"{$lib->getStaticLibFiles(style: 'cmake')}\" -DNGHTTP2_INCLUDE_DIR={$lib->getIncludeDir()}", '-DUSE_NGHTTP2=OFF')
             ->optionalLib('nghttp3', fn ($lib) => "-DUSE_NGHTTP3=ON -DNGHTTP3_LIBRARY=\"{$lib->getStaticLibFiles(style: 'cmake')}\" -DNGHTTP3_INCLUDE_DIR={$lib->getIncludeDir()}", '-DUSE_NGHTTP3=OFF')
+            ->optionalLib('ngtcp2', fn ($lib) => "-DUSE_NGTCP2=ON -DNGNGTCP2_LIBRARY=\"{$lib->getStaticLibFiles(style: 'cmake')}\" -DNGNGTCP2_INCLUDE_DIR={$lib->getIncludeDir()}", '-DUSE_NGTCP2=OFF')
             ->optionalLib('ldap', ...cmake_boolean_args('CURL_DISABLE_LDAP', true))
             ->optionalLib('zstd', ...cmake_boolean_args('CURL_ZSTD'))
             ->optionalLib('idn2', ...cmake_boolean_args('USE_LIBIDN2'))