diff --git a/pkgs/development/python-modules/mdtraj/default.nix b/pkgs/development/python-modules/mdtraj/default.nix
index d4632b852af6..16cbb0e1fb2c 100644
--- a/pkgs/development/python-modules/mdtraj/default.nix
+++ b/pkgs/development/python-modules/mdtraj/default.nix
@@ -84,8 +84,10 @@ buildPythonPackage rec {
 
   disabledTests = [
     # require network access
-    "test_pdb_from_url"
+    "test_load_pdb_from_url"
+    "test_load_from_url"
     "test_1vii_url_and_gz"
+    "test_1vii_load_from_mixture"
     "test_3"
 
     # fail due to data race