diff --git a/gns3server/handlers/api/iou_handler.py b/gns3server/handlers/api/iou_handler.py
index edebae1b..35e413b4 100644
--- a/gns3server/handlers/api/iou_handler.py
+++ b/gns3server/handlers/api/iou_handler.py
@@ -60,6 +60,7 @@ class IOUHandler:
                                       ethernet_adapters=request.json.get("ethernet_adapters"),
                                       ram=request.json.get("ram"),
                                       nvram=request.json.get("nvram"),
+                                      use_default_iou_values=request.json.get("use_default_iou_values"),
                                       l1_keepalives=request.json.get("l1_keepalives"),
                                       initial_config=request.json.get("initial_config_content"),
                                       iourc_content=request.json.get("iourc_content")
@@ -115,6 +116,7 @@ class IOUHandler:
         vm.serial_adapters = request.json.get("serial_adapters", vm.serial_adapters)
         vm.ram = request.json.get("ram", vm.ram)
         vm.nvram = request.json.get("nvram", vm.nvram)
+        vm.use_default_iou_values = request.json.get("use_default_iou_values", vm.use_default_iou_values)
         vm.l1_keepalives = request.json.get("l1_keepalives", vm.l1_keepalives)
         vm.initial_config = request.json.get("initial_config_content", vm.initial_config)
         vm.iourc_content = request.json.get("iourc_content", None)
diff --git a/gns3server/modules/iou/iou_vm.py b/gns3server/modules/iou/iou_vm.py
index c45126ad..502becc1 100644
--- a/gns3server/modules/iou/iou_vm.py
+++ b/gns3server/modules/iou/iou_vm.py
@@ -74,6 +74,7 @@ class IOUVM(BaseVM):
                  console=None,
                  ram=None,
                  nvram=None,
+                 use_default_iou_values=None,
                  ethernet_adapters=None,
                  serial_adapters=None,
                  l1_keepalives=None,
@@ -95,7 +96,7 @@ class IOUVM(BaseVM):
         self._serial_adapters = []
         self.ethernet_adapters = 2 if ethernet_adapters is None else ethernet_adapters  # one adapter = 4 interfaces
         self.serial_adapters = 2 if serial_adapters is None else serial_adapters  # one adapter = 4 interfaces
-        self._use_default_iou_values = True  # for RAM & NVRAM values
+        self._use_default_iou_values = True if use_default_iou_values is None else use_default_iou_values  # for RAM & NVRAM values
         self._nvram = 128 if nvram is None else nvram  # Kilobytes
         self._initial_config = ""
         self._ram = 256 if ram is None else ram  # Megabytes