diff --git a/pkgs/development/python-modules/cram/default.nix b/pkgs/development/python-modules/cram/default.nix
index 3ba861f1c874..4db709769a6e 100644
--- a/pkgs/development/python-modules/cram/default.nix
+++ b/pkgs/development/python-modules/cram/default.nix
@@ -1,4 +1,4 @@
-{lib, buildPythonPackage, fetchPypi, coverage, bash, which, writeText}:
+{stdenv, lib, buildPythonPackage, fetchPypi, coverage, bash, which, writeText}:
 
 buildPythonPackage rec {
   name = "${pname}-${version}";
@@ -34,5 +34,7 @@ buildPythonPackage rec {
     homepage = https://bitheap.org/cram/;
     license = lib.licenses.gpl2Plus;
     maintainers = with lib.maintainers; [ jluttine ];
+    # Tests fail on i686: https://hydra.nixos.org/build/52896671/nixlog/4
+    broken = stdenv.isi686;
   };
 }