diff --git a/tests/data/cli/compare/virt-install-many-devices.xml b/tests/data/cli/compare/virt-install-many-devices.xml
index f6606a18c..7a3ac7c39 100644
--- a/tests/data/cli/compare/virt-install-many-devices.xml
+++ b/tests/data/cli/compare/virt-install-many-devices.xml
@@ -43,7 +43,7 @@
-
+
9
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 19399452f..0ad72e6b4 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -543,7 +543,7 @@ memorytune0.vcpus=0-3,memorytune0.node0.id=0,memorytune0.node0.bandwidth=60
--blkiotune weight=100,device_path=/home/test/1.img,device_weight=200,read_bytes_sec=10000,write_bytes_sec=10000,read_iops_sec=20000,write_iops_sec=20000
---memorybacking size=1,unit='G',nodeset=0,1,nosharepages=yes,locked=yes,discard=yes,allocation.mode=immediate,access_mode=shared,source_type=file,hugepages.page.size=12,hugepages.page1.size=1234,hugepages.page1.unit=MB,hugepages.page1.nodeset=2
+--memorybacking size=1,unit='G',nodeset=0,1,nosharepages=yes,locked=yes,discard=yes,allocation.mode=immediate,access_mode=shared,source_type=file,hugepages.page.size=12,hugepages.page1.size=1234,hugepages.page1.unit=MB,hugepages.page1.nodeset=2,allocation.threads=8
--iothreads iothreads=5,iothreadids.iothread1.id=1,iothreadids.iothread2.id=2
diff --git a/virtinst/cli.py b/virtinst/cli.py
index 09dea4667..2548ac11f 100644
--- a/virtinst/cli.py
+++ b/virtinst/cli.py
@@ -2230,6 +2230,7 @@ class ParserMemoryBacking(VirtCLIParser):
cls.add_arg("source.type", "source_type")
cls.add_arg("discard", "discard", is_onoff=True)
cls.add_arg("allocation.mode", "allocation_mode")
+ cls.add_arg("allocation.threads", "allocation_threads")
#################
diff --git a/virtinst/domain/memorybacking.py b/virtinst/domain/memorybacking.py
index c883c57d8..c00e15863 100644
--- a/virtinst/domain/memorybacking.py
+++ b/virtinst/domain/memorybacking.py
@@ -34,5 +34,6 @@ class DomainMemoryBacking(XMLBuilder):
access_mode = XMLProperty("./access/@mode")
source_type = XMLProperty("./source/@type")
allocation_mode = XMLProperty("./allocation/@mode")
+ allocation_threads = XMLProperty("./allocation/@threads", is_int=True)
pages = XMLChildProperty(_HugepagesPage, relative_xpath="./hugepages")