diff --git a/example_notebooks/ginga_widget.ipynb b/example_notebooks/ginga_widget.ipynb
index 99fafe8..c422fca 100644
--- a/example_notebooks/ginga_widget.ipynb
+++ b/example_notebooks/ginga_widget.ipynb
@@ -212,8 +212,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "from astropy import units as u\n",
+    "\n",
     "# Change the values if needed.\n",
-    "deg_offset = 0.001\n",
+    "deg_offset = 0.001 * u.deg\n",
     "\n",
     "# Programmatically offset (in degrees) w.r.t.\n",
     "# SkyCoord center\n",