--- /etc/grub.d/10_linux_zfs.orig	2020-01-26 14:39:06.572703191 -0600
+++ /etc/grub.d/10_linux_zfs	2020-01-26 14:38:23.913233854 -0600
@@ -313,6 +313,10 @@
         is_snapshot="true"
     fi
 
+    if [ "${is_snapshot}" = "true" ]; then
+        exit 0
+    fi
+
     mount -o noatime,zfsutil -t zfs "${base_dataset}" "${mntdir}"
 
     # read machine-id/os-release from /etc