diff --git a/pkgs/development/python-modules/tiledb/default.nix b/pkgs/development/python-modules/tiledb/default.nix
index cf688d75f01e..808a6c54825c 100644
--- a/pkgs/development/python-modules/tiledb/default.nix
+++ b/pkgs/development/python-modules/tiledb/default.nix
@@ -51,10 +51,15 @@ buildPythonPackage rec {
     # Hardcode path to shared object
     substituteInPlace tiledb/__init__.py --replace \
       'os.path.join(lib_dir, lib_name)' 'os.path.join("${tiledb}/lib", lib_name)'
-    
+
     # Disable failing test
     substituteInPlace tiledb/tests/test_examples.py --replace \
       "test_docs" "dont_test_docs"
+    # these tests don't always fail
+    substituteInPlace tiledb/tests/test_libtiledb.py --replace \
+      "test_varlen_write_int_subarray" "dont_test_varlen_write_int_subarray"
+    substituteInPlace tiledb/tests/test_metadata.py --replace \
+      "test_metadata_consecutive" "dont_test_metadata_consecutive"
   '';
 
   checkPhase = ''