diff --git a/pkgs/ngtcp2/default.nix b/pkgs/ngtcp2/default.nix
index a2aabb1..d4f4cc4 100644
--- a/pkgs/ngtcp2/default.nix
+++ b/pkgs/ngtcp2/default.nix
@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
+  patches = [ ./gnutls_header.patch ];
+
   configureFlags = [
     "--with-gnutls"
   ];
diff --git a/pkgs/ngtcp2/gnutls_header.patch b/pkgs/ngtcp2/gnutls_header.patch
new file mode 100644
index 0000000..af1f65c
--- /dev/null
+++ b/pkgs/ngtcp2/gnutls_header.patch
@@ -0,0 +1,12 @@
+diff --git a/crypto/includes/Makefile.am b/crypto/includes/Makefile.am
+index 7e0589a3..56f29e34 100644
+--- a/crypto/includes/Makefile.am
++++ b/crypto/includes/Makefile.am
+@@ -26,3 +26,7 @@ nobase_include_HEADERS = ngtcp2/ngtcp2_crypto.h
+ if HAVE_OPENSSL
+ nobase_include_HEADERS += ngtcp2/ngtcp2_crypto_openssl.h
+ endif
++
++if HAVE_GNUTLS
++nobase_include_HEADERS += ngtcp2/ngtcp2_crypto_gnutls.h
++endif