diff --git a/bootstrapvz/common/fs/loopbackvolume.py b/bootstrapvz/common/fs/loopbackvolume.py
index 8f6f7cd..49f905f 100644
--- a/bootstrapvz/common/fs/loopbackvolume.py
+++ b/bootstrapvz/common/fs/loopbackvolume.py
@@ -11,8 +11,8 @@ class LoopbackVolume(Volume):
 
 	def _before_create(self, e):
 		self.image_path = e.image_path
-		vol_size = str(self.size.get_qty_in('MiB')) + 'M'
-		log_check_call(['qemu-img', 'create', '-f', 'raw', self.image_path, vol_size])
+		size_opt = '--size={mib}M'.format(mib=self.size.get_qty_in('MiB'))
+		log_check_call(['truncate', 'create', size_opt, self.image_path])
 
 	def _before_attach(self, e):
 		[self.loop_device_path] = log_check_call(['losetup', '--show', '--find', self.image_path])
diff --git a/bootstrapvz/common/tasks/loopback.py b/bootstrapvz/common/tasks/loopback.py
index 77f562a..d52b3de 100644
--- a/bootstrapvz/common/tasks/loopback.py
+++ b/bootstrapvz/common/tasks/loopback.py
@@ -12,12 +12,12 @@ class AddRequiredCommands(Task):
 	@classmethod
 	def run(cls, info):
 		from ..fs.loopbackvolume import LoopbackVolume
-		if isinstance(info.volume, LoopbackVolume):
-			info.host_dependencies['qemu-img'] = 'qemu-utils'
-			info.host_dependencies['losetup'] = 'mount'
 		from ..fs.qemuvolume import QEMUVolume
-		if isinstance(info.volume, QEMUVolume):
+		if type(info.volume) is LoopbackVolume:
 			info.host_dependencies['losetup'] = 'mount'
+			info.host_dependencies['truncate'] = 'coreutils'
+		if isinstance(info.volume, QEMUVolume):
+			info.host_dependencies['qemu-img'] = 'qemu-utils'
 
 
 class Create(Task):