diff --git a/pkgs/tools/misc/direnv/default.nix b/pkgs/tools/misc/direnv/default.nix
index f0c7aefc69a..a659c576d8f 100644
--- a/pkgs/tools/misc/direnv/default.nix
+++ b/pkgs/tools/misc/direnv/default.nix
@@ -18,6 +18,11 @@ buildGoModule rec {
     stdenv.lib.optionalString (!stdenv.hostPlatform.isWindows)
     "${bash}/bin/bash";
 
+  # fix hardcoded GOFLAGS in makefile. remove once https://github.com/direnv/direnv/issues/718 is closed.
+  postPatch = ''
+    substituteInPlace GNUmakefile --replace "export GOFLAGS=-mod=vendor" ""
+  '';
+
   # replace the build phase to use the GNUMakefile instead
   buildPhase = ''
     make BASH_PATH=$BASH_PATH