diff --git a/gns3server/schemas/qemu.py b/gns3server/schemas/qemu.py
index f67f808a..d1157de9 100644
--- a/gns3server/schemas/qemu.py
+++ b/gns3server/schemas/qemu.py
@@ -131,7 +131,7 @@ QEMU_CREATE_SCHEMA = {
         },
         "boot_priority": {
             "description": "QEMU boot priority",
-            "enum": ["c", "d", "n", "cn", "cd"]
+            "enum": ["c", "d", "n", "cn", "cd", "dn", "dc", "nc", "nd"]
         },
         "ram": {
             "description": "Amount of RAM in MB",
@@ -316,7 +316,7 @@ QEMU_UPDATE_SCHEMA = {
         },
         "boot_priority": {
             "description": "QEMU boot priority",
-            "enum": ["c", "d", "n", "cn", "cd"]
+            "enum": ["c", "d", "n", "cn", "cd", "dn", "dc", "nc", "nd"]
         },
         "ram": {
             "description": "Amount of RAM in MB",
@@ -500,7 +500,7 @@ QEMU_OBJECT_SCHEMA = {
         },
         "boot_priority": {
             "description": "QEMU boot priority",
-            "enum": ["c", "d", "n", "cn", "cd"]
+            "enum": ["c", "d", "n", "cn", "cd", "dn", "dc", "nc", "nd"]
         },
         "node_directory": {
             "description": "Path to the VM working directory",