diff --git a/.github/workflows/issues.yml b/.github/workflows/issues.yml
index f8bdc3a1..5490fffa 100644
--- a/.github/workflows/issues.yml
+++ b/.github/workflows/issues.yml
@@ -268,7 +268,7 @@ jobs:
               ;;
             vmdk)
               echo "VMDK"
-              qemu-img convert rr/rr.img -O vmdk -o 'adapter_type=lsilogic,subformat=streamOptimized,compat6' rr/rr.vmdk
+              qemu-img convert rr/rr.img -O vmdk -o 'adapter_type=lsilogic,subformat=monolithicSparse,compat6' rr/rr.vmdk
               (cd rr && sha256sum rr.vmdk >../sha256sum)
               zip -9 "rr-${{ env.model }}-${TAG}-${{ github.run_id }}.vmdk.zip" -j rr/rr.vmdk sha256sum README.txt
               ;;
diff --git a/guide.md b/guide.md
index 50623912..ecd4e45a 100644
--- a/guide.md
+++ b/guide.md
@@ -49,7 +49,7 @@
   # brew install qemu-img                      # MacOS
 
   # img to vmdk (VMWare / ESXi6 / ESXi7)
-  qemu-img convert -O vmdk -o adapter_type=lsilogic,subformat=streamOptimized,compat6 rr.img rr.vmdk
+  qemu-img convert -O vmdk -o adapter_type=lsilogic,subformat=monolithicSparse,compat6 rr.img rr.vmdk
 
   # img to vmdk (ESXi8)
   qemu-img convert -O vmdk -o adapter_type=lsilogic,subformat=monolithicFlat,compat6 rr.img rr.vmdk
diff --git a/scripts/func.sh b/scripts/func.sh
index 09f280ed..e7811047 100755
--- a/scripts/func.sh
+++ b/scripts/func.sh
@@ -365,7 +365,7 @@ function createvmx() {
   # Convert raw image to VMDK
   rm -rf "VMX_${VMNAME}"
   mkdir -p "VMX_${VMNAME}"
-  qemu-img convert -O vmdk -o 'adapter_type=lsilogic,subformat=streamOptimized,compat6' "${BLIMAGE}" "VMX_${VMNAME}/${VMNAME}-disk1.vmdk"
+	qemu-img convert -O vmdk -o 'adapter_type=lsilogic,subformat=monolithicSparse,compat6' "${BLIMAGE}" "VMX_${VMNAME}/${VMNAME}-disk1.vmdk" # 'adapter_type=lsilogic,subformat=streamOptimized,compat6'
   qemu-img create -f vmdk "VMX_${VMNAME}/${VMNAME}-disk2.vmdk" "32G"
 
   # Create VM configuration