diff --git a/src/vmm_mad/remotes/lib/lxd/mapper/qcow2.rb b/src/vmm_mad/remotes/lib/lxd/mapper/qcow2.rb
index a440d2fe31..1e3d31a49a 100644
--- a/src/vmm_mad/remotes/lib/lxd/mapper/qcow2.rb
+++ b/src/vmm_mad/remotes/lib/lxd/mapper/qcow2.rb
@@ -85,8 +85,7 @@ class Qcow2Mapper < Mapper
 
         return "0.0.0" unless rc.zero?
 
-        match_v = out.match(/qemu-nbd ((?:[0-9]+\.?)+) \(/)
-        match_v = out.match(/qemu-nbd version (.*)$/) if match_v.nil?
+        match_v = out.match(/qemu-nbd(?: version)? ((?:[0-9]+\.?)+)\s?\(?.*$/)
 
         return "0.0.0" if match_v.nil?