diff --git a/buildroot-external/board/ova/post-image.sh b/buildroot-external/board/ova/post-image.sh
index f5942da55..8d6515ccf 100755
--- a/buildroot-external/board/ova/post-image.sh
+++ b/buildroot-external/board/ova/post-image.sh
@@ -27,6 +27,7 @@ prepare_disk_image
 # Create disk images
 create_disk_image 6
 convert_disk_image_vmdk
+convert_disk_image_gz vmdk
 
 # OTA
 create_ota_update
diff --git a/buildroot-external/scripts/hdd-image.sh b/buildroot-external/scripts/hdd-image.sh
index 76814d327..8f1faba26 100755
--- a/buildroot-external/scripts/hdd-image.sh
+++ b/buildroot-external/scripts/hdd-image.sh
@@ -182,7 +182,8 @@ function convert_disk_image_vmdk() {
 
 
 function convert_disk_image_gz() {
-    local hdd_img="$(hassos_image_name img)"
+    local hdd_ext=${1:-img}
+    local hdd_img="$(hassos_image_name ${hdd_ext})"
 
     rm -f ${hdd_img}.gz
     gzip --best ${hdd_img}
diff --git a/buildroot-external/scripts/ota.sh b/buildroot-external/scripts/ota.sh
index b60a38c97..d793e35d2 100755
--- a/buildroot-external/scripts/ota.sh
+++ b/buildroot-external/scripts/ota.sh
@@ -34,7 +34,7 @@ function create_ota_update() {
     ) > ${rauc_folder}/manifest.raucm
 
     # SPL
-    if [ "${BOOT_SYS}" != "spl" ]; then
+    if [ "${BOOT_SYS}" == "spl" ]; then
         cp -f ${spl} ${rauc_folder}/spl.img
 
         (