diff --git a/vm/opnsense-vm.sh b/vm/opnsense-vm.sh
index b1cc69ad1..47a161ce1 100644
--- a/vm/opnsense-vm.sh
+++ b/vm/opnsense-vm.sh
@@ -690,7 +690,7 @@ qm set $VMID \
   -boot order=scsi0 \
   -serial0 socket \
   -tags community-script >/dev/null
-qm resize $VMID scsi0 10G >/dev/null
+qm resize $VMID scsi0 20G >/dev/null
 DESCRIPTION=$(
   cat <<EOF
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