diff --git a/pkgs/development/python-modules/qcodes-loop/default.nix b/pkgs/development/python-modules/qcodes-loop/default.nix
index 93f452786512..a20841319b74 100644
--- a/pkgs/development/python-modules/qcodes-loop/default.nix
+++ b/pkgs/development/python-modules/qcodes-loop/default.nix
@@ -80,6 +80,11 @@ buildPythonPackage rec {
     export HOME="$TMPDIR"
   '';
 
+  disabledTests = [
+    # AssertionError: False is not true
+    "TestHDF5_Format"
+  ];
+
   meta = with lib; {
     description = "Features previously in QCoDeS";
     homepage = "https://github.com/QCoDeS/Qcodes_loop";