diff --git a/pkgs/development/libraries/gnutls/default.nix b/pkgs/development/libraries/gnutls/default.nix
index 218465747b5b..681a810f8898 100644
--- a/pkgs/development/libraries/gnutls/default.nix
+++ b/pkgs/development/libraries/gnutls/default.nix
@@ -1,7 +1,7 @@
-{ config
-, lib
+{ lib
 , stdenv
 , fetchurl
+, fetchpatch2
 , zlib
 , lzo
 , libtasn1
@@ -73,6 +73,15 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./nix-ssl-cert-file.patch
+    # Revert https://gitlab.com/gnutls/gnutls/-/merge_requests/1800
+    # dlopen isn't as easy in NixPkgs, as noticed in tests broken by this.
+    # Without getting the libs into RPATH they won't be found.
+    (fetchpatch2 {
+      name = "revert-dlopen-compression.patch";
+      url = "https://gitlab.com/gnutls/gnutls/-/commit/8584908d6b679cd4e7676de437117a793e18347c.diff";
+      revert = true;
+      hash = "sha256-r/+Gmwqy0Yc1LHL/PdPLXlErUBC5JxquLzCBAN3LuRM=";
+    })
   ];
 
   # Skip some tests:
@@ -112,7 +121,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional (withP11-kit) p11-kit
     ++ lib.optional (tpmSupport && stdenv.isLinux) trousers;
 
-  nativeBuildInputs = [ perl pkg-config texinfo ]
+  nativeBuildInputs = [ perl pkg-config texinfo ] ++ [ autoconf automake ]
     ++ lib.optionals doCheck [ which nettools util-linux ];
 
   propagatedBuildInputs = [ nettle ]