diff --git a/Packer/windows_10.json b/Packer/windows_10.json
index 10c5f60d7..e214577a9 100644
--- a/Packer/windows_10.json
+++ b/Packer/windows_10.json
@@ -120,6 +120,10 @@
         [
           "-drive",
           "file={{ user `packer_build_dir`}}/{{ .Name }},if=virtio,cache=writeback,discard=ignore,format=qcow2,index=1"
+        ],
+        [
+          "-drive",
+          "file={{ user `iso_url` }},media=cdrom,index=2"
         ]
       ],
       "floppy_files": [
diff --git a/Packer/windows_2016.json b/Packer/windows_2016.json
index c0e5ce807..fa074aa82 100644
--- a/Packer/windows_2016.json
+++ b/Packer/windows_2016.json
@@ -114,6 +114,10 @@
         [
           "-drive",
           "file={{ user `packer_build_dir`}}/{{ .Name }},if=virtio,cache=writeback,discard=ignore,format=qcow2,index=1"
+        ],
+        [
+          "-drive",
+          "file={{ user `iso_url` }},media=cdrom,index=2"
         ]
       ],
       "floppy_files": [