diff --git a/newsfragments/3274.minor b/newsfragments/3274.minor
new file mode 100644
index 000000000..e69de29bb
diff --git a/nix/eliot.nix b/nix/eliot.nix
index f6d6b3061..04344ff79 100644
--- a/nix/eliot.nix
+++ b/nix/eliot.nix
@@ -14,6 +14,10 @@ buildPythonPackage rec {
       --replace "boltons >= 19.0.1" boltons
     # depends on eliot.prettyprint._main which we don't have here.
     rm eliot/tests/test_prettyprint.py
+
+    # Fails intermittently.
+    substituteInPlace eliot/tests/test_validation.py \
+      --replace "def test_omitLoggerFromActionType" "def xtest_omitLoggerFromActionType"
   '';
 
   checkInputs = [ testtools pytest hypothesis ];