diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index ea2b0c588f9b9cfa996a3e570989c08c7b80dd5a..0ed914e4f1b38178df553357720c0657e0190305 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -366,7 +366,9 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
         }
     }
 
-    b_info->sched_params.weight = 1000;
+    if (def->cputune.sharesSpecified)
+        b_info->sched_params.weight = def->cputune.shares;
+
     /* Xen requires the memory sizes to be rounded to 1MiB increments */
     virDomainDefSetMemoryTotal(def,
                                VIR_ROUND_UP(virDomainDefGetMemoryInitial(def), 1024));
diff --git a/tests/libxlxml2domconfigdata/basic-hvm.json b/tests/libxlxml2domconfigdata/basic-hvm.json
index 6fa41f34f9cc221547ea3c831bbdc3017d4a1ba8..ccd5853854b52d6cdda2f3442d9530d7e30a3b39 100644
--- a/tests/libxlxml2domconfigdata/basic-hvm.json
+++ b/tests/libxlxml2domconfigdata/basic-hvm.json
@@ -19,7 +19,7 @@
         "device_model_version": "qemu_xen",
         "device_model": "/bin/true",
         "sched_params": {
-            "weight": 1000
+
         },
         "type.hvm": {
             "pae": "True",
diff --git a/tests/libxlxml2domconfigdata/basic-pv.json b/tests/libxlxml2domconfigdata/basic-pv.json
index 7e1abd3d6a45859ae0a375c85d708980dfd361ed..0f846daabdb499a64cc2d92e284ce76ec7745b79 100644
--- a/tests/libxlxml2domconfigdata/basic-pv.json
+++ b/tests/libxlxml2domconfigdata/basic-pv.json
@@ -15,7 +15,7 @@
         "max_memkb": 524288,
         "target_memkb": 524288,
         "sched_params": {
-            "weight": 1000
+
         },
         "type.pv": {
             "bootloader": "pygrub"
diff --git a/tests/libxlxml2domconfigdata/cpu-shares-hvm.json b/tests/libxlxml2domconfigdata/cpu-shares-hvm.json
new file mode 100644
index 0000000000000000000000000000000000000000..2e647eada2bf574325db338e7812d1d02b695109
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/cpu-shares-hvm.json
@@ -0,0 +1,89 @@
+{
+    "c_info": {
+        "type": "hvm",
+        "name": "test-hvm",
+        "uuid": "2147d599-9cc6-c0dc-92ab-4064b5446e9b"
+    },
+    "b_info": {
+        "max_vcpus": 4,
+        "avail_vcpus": [
+            0,
+            1,
+            2,
+            3
+        ],
+        "max_memkb": 1048576,
+        "target_memkb": 1048576,
+        "video_memkb": 8192,
+        "shadow_memkb": 12288,
+        "device_model_version": "qemu_xen",
+        "device_model": "/bin/true",
+        "sched_params": {
+            "weight": 1500
+        },
+        "type.hvm": {
+            "pae": "True",
+            "apic": "True",
+            "acpi": "True",
+            "vga": {
+                "kind": "cirrus"
+            },
+            "vnc": {
+                "enable": "True",
+                "listen": "0.0.0.0",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            },
+            "spice": {
+
+            },
+            "boot": "c",
+            "rdm": {
+
+            }
+        },
+        "arch_arm": {
+
+        }
+    },
+    "disks": [
+        {
+            "pdev_path": "/var/lib/xen/images/test-hvm.img",
+            "vdev": "hda",
+            "backend": "qdisk",
+            "format": "raw",
+            "removable": 1,
+            "readwrite": 1
+        }
+    ],
+    "nics": [
+        {
+            "devid": 0,
+            "mac": "00:16:3e:66:12:b4",
+            "bridge": "br0",
+            "script": "/etc/xen/scripts/vif-bridge",
+            "nictype": "vif_ioemu"
+        }
+    ],
+    "vfbs": [
+        {
+	    "devid": -1,
+            "vnc": {
+                "enable": "True",
+                "listen": "0.0.0.0",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            }
+        }
+    ],
+    "vkbs": [
+        {
+            "devid": -1
+        }
+    ],
+    "on_reboot": "restart"
+}
diff --git a/tests/libxlxml2domconfigdata/cpu-shares-hvm.xml b/tests/libxlxml2domconfigdata/cpu-shares-hvm.xml
new file mode 100644
index 0000000000000000000000000000000000000000..49085b4b703b07a5cd82d903c5e48a35c374f494
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/cpu-shares-hvm.xml
@@ -0,0 +1,39 @@
+<domain type='xen'>
+  <name>test-hvm</name>
+  <description>None</description>
+  <uuid>2147d599-9cc6-c0dc-92ab-4064b5446e9b</uuid>
+  <memory>1048576</memory>
+  <currentMemory>1048576</currentMemory>
+  <vcpu>4</vcpu>
+  <cputune>
+    <shares>1500</shares>
+  </cputune>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <clock offset='utc'/>
+  <os>
+    <type>hvm</type>
+    <loader>/usr/lib/xen/boot/hvmloader</loader>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <apic/>
+    <acpi/>
+    <pae/>
+  </features>
+  <devices>
+    <emulator>/bin/true</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu'/>
+      <source file='/var/lib/xen/images/test-hvm.img'/>
+      <target dev='hda'/>
+    </disk>
+    <interface type='bridge'>
+      <source bridge='br0'/>
+      <mac address='00:16:3e:66:12:b4'/>
+      <script path='/etc/xen/scripts/vif-bridge'/>
+    </interface>
+    <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'/>
+  </devices>
+</domain>
diff --git a/tests/libxlxml2domconfigdata/moredevs-hvm.json b/tests/libxlxml2domconfigdata/moredevs-hvm.json
index 8f861f34ecfd38deb663863f978635ed12314859..7bfd68bd672c0680095fa05b959ff9e6245da298 100644
--- a/tests/libxlxml2domconfigdata/moredevs-hvm.json
+++ b/tests/libxlxml2domconfigdata/moredevs-hvm.json
@@ -21,7 +21,7 @@
         "device_model_version": "qemu_xen",
         "device_model": "/bin/true",
         "sched_params": {
-            "weight": 1000
+
         },
         "type.hvm": {
             "pae": "True",
diff --git a/tests/libxlxml2domconfigdata/multiple-ip.json b/tests/libxlxml2domconfigdata/multiple-ip.json
index 4aff61d4b5a25671625886b07fdee4e593f567db..80dca8261171aa70e1b0776e98fe8b1927492268 100644
--- a/tests/libxlxml2domconfigdata/multiple-ip.json
+++ b/tests/libxlxml2domconfigdata/multiple-ip.json
@@ -15,7 +15,7 @@
         "max_memkb": 524288,
         "target_memkb": 524288,
         "sched_params": {
-            "weight": 1000
+
         },
         "type.pv": {
             "bootloader": "pygrub"
diff --git a/tests/libxlxml2domconfigdata/variable-clock-hvm.json b/tests/libxlxml2domconfigdata/variable-clock-hvm.json
index 49d0a4330c13d314748b32ecd883de1a91a45228..69be9c64cbe429a0cd068d2d10b0324a53ec8eef 100644
--- a/tests/libxlxml2domconfigdata/variable-clock-hvm.json
+++ b/tests/libxlxml2domconfigdata/variable-clock-hvm.json
@@ -21,7 +21,7 @@
         "device_model_version": "qemu_xen",
         "device_model": "/bin/true",
         "sched_params": {
-            "weight": 1000
+
         },
         "type.hvm": {
             "pae": "True",
diff --git a/tests/libxlxml2domconfigdata/vnuma-hvm.json b/tests/libxlxml2domconfigdata/vnuma-hvm.json
index 3a5071e1481ab1fc64ed477ae0733e864d5fd14a..3b2fc5f40fe522d66b253598db8decd227b90018 100644
--- a/tests/libxlxml2domconfigdata/vnuma-hvm.json
+++ b/tests/libxlxml2domconfigdata/vnuma-hvm.json
@@ -107,7 +107,7 @@
         "device_model_version": "qemu_xen",
         "device_model": "/bin/true",
         "sched_params": {
-            "weight": 1000
+
         },
         "type.hvm": {
             "pae": "True",
diff --git a/tests/libxlxml2domconfigtest.c b/tests/libxlxml2domconfigtest.c
index ea3d2884ef674be7073bfb4be06712e2c5f70525..6eec4c752d6e2c3c5b479e31782fa14038c59a7b 100644
--- a/tests/libxlxml2domconfigtest.c
+++ b/tests/libxlxml2domconfigtest.c
@@ -192,6 +192,7 @@ mymain(void)
 
     DO_TEST("basic-pv");
     DO_TEST("basic-hvm");
+    DO_TEST("cpu-shares-hvm");
     DO_TEST("variable-clock-hvm");
     DO_TEST("moredevs-hvm");
     DO_TEST("vnuma-hvm");