diff --git a/CactusTutorial.ipynb b/CactusTutorial.ipynb
index dbd3430..1a77a45 100644
--- a/CactusTutorial.ipynb
+++ b/CactusTutorial.ipynb
@@ -72,6 +72,9 @@
     "from IPython.core.magic import register_cell_magic\n",
     "@register_cell_magic\n",
     "def bash(line, cell): get_ipython().system(cell)\n",
+    "# OpenMPI in docker containers produces warnings due to the vader library, this disables them\n",
+    "import os\n",
+    "os.environ[\"OMPI_MCA_btl_vader_single_copy_mechanism\"] = \"none\""
    ]
   },
   {