diff --git a/examples/Isosurface.ipynb b/examples/Isosurface.ipynb
index 70af71f..5739e56 100644
--- a/examples/Isosurface.ipynb
+++ b/examples/Isosurface.ipynb
@@ -33,8 +33,8 @@
     "!{sys.executable} -m pip install SimpleITK\n",
     "!{sys.executable} -m pip install simpleitkutilities\n",
     "!{sys.executable} -m pip install vtk\n",
-    "!{sys.executable} -m pip install itkwidgets",
-    "!{sys.executable} -m pip install pydicom"
+    "!{sys.executable} -m pip install itkwidgets\n",
+    "!{sys.executable} -m pip install pydicom\n"
    ]
   },
   {