diff --git a/vm/docker.sh b/vm/docker.sh
index 7d44fa0..c5df55d 100644
--- a/vm/docker.sh
+++ b/vm/docker.sh
@@ -490,6 +490,14 @@ EOF
 )
 qm set "$VMID" -description "$DESCRIPTION" >/dev/null
 
+if [ -n "$DISK_SIZE" ]; then
+  msg_info "Resizing disk to $DISK_SIZE GB"
+  qm resize $VMID scsi0 ${DISK_SIZE} >/dev/null
+else
+  msg_info "Using default disk size of $DEFAULT_DISK_SIZE GB"
+  qm resize $VMID scsi0 ${DEFAULT_DISK_SIZE} >/dev/null
+fi
+
 msg_ok "Created a Docker VM ${CL}${BL}(${HN})"
 if [ "$START_VM" == "yes" ]; then
   msg_info "Starting Docker VM"