diff -Nru ltsp-20.03.1/debian/changelog ltsp-20.04/debian/changelog
--- ltsp-20.03.1/debian/changelog	2020-03-22 14:05:40.000000000 +0000
+++ ltsp-20.04/debian/changelog	2020-04-03 05:27:15.000000000 +0000
@@ -1,3 +1,9 @@
+ltsp (20.04-1) unstable; urgency=medium
+
+  * Fix NFS chroot booting regression (#126)
+
+ -- Alkis Georgopoulos <alkisg@gmail.com>  Fri, 03 Apr 2020 08:27:15 +0300
+
 ltsp (20.03.1-1) unstable; urgency=medium
 
   * Exclude account database backups from the generated image
diff -Nru ltsp-20.03.1/ltsp/client/initrd-bottom/55-initrd-bottom.sh ltsp-20.04/ltsp/client/initrd-bottom/55-initrd-bottom.sh
--- ltsp-20.03.1/ltsp/client/initrd-bottom/55-initrd-bottom.sh	2020-03-22 14:07:11.000000000 +0000
+++ ltsp-20.04/ltsp/client/initrd-bottom/55-initrd-bottom.sh	2020-04-03 05:28:43.000000000 +0000
@@ -40,11 +40,14 @@
             re umount "$rootmnt"
             img_src="$tmpfs/${img##*/}$rest"
         fi
-        re mount_img_src "$img_src" "$rootmnt" "$tmpfs"
-        re set_readahead "$rootmnt"
-    elif [ ! -d "$rootmnt/proc" ]; then
+    elif [ -d "$rootmnt/proc" ]; then
+        # Plain NFS chroot booting
+        img_src=$rootmnt
+    else
         die "$rootmnt/proc doesn't exist and ltsp.image wasn't specified"
     fi
+    re mount_img_src "$img_src" "$rootmnt" "$tmpfs"
+    re set_readahead "$rootmnt"
     test -d "$rootmnt/proc" || die "$rootmnt/proc doesn't exist in $_APPLET"
     re install_ltsp
 }