diff --git a/appliances/fortianalyzer.gns3a b/appliances/fortianalyzer.gns3a
index 1055e46..de9932a 100644
--- a/appliances/fortianalyzer.gns3a
+++ b/appliances/fortianalyzer.gns3a
@@ -15,7 +15,7 @@
     "port_name_format": "Port{port1}",
     "symbol": "fortinet.svg",
     "qemu": {
-        "adapter_type": "virtio-net-pci",
+        "adapter_type": "e1000",
         "adapters": 4,
         "ram": 1024,
         "hda_disk_interface": "virtio",
diff --git a/appliances/fortiauthenticator.gns3a b/appliances/fortiauthenticator.gns3a
index 382eeba..14d8fbd 100644
--- a/appliances/fortiauthenticator.gns3a
+++ b/appliances/fortiauthenticator.gns3a
@@ -15,7 +15,7 @@
     "port_name_format": "Port{port1}",
     "symbol": "fortinet.svg",
     "qemu": {
-        "adapter_type": "virtio-net-pci",
+        "adapter_type": "e1000",
         "adapters": 4,
         "ram": 1024,
         "hda_disk_interface": "virtio",
diff --git a/appliances/forticache.gns3a b/appliances/forticache.gns3a
index 38ccaaa..422b7e0 100644
--- a/appliances/forticache.gns3a
+++ b/appliances/forticache.gns3a
@@ -15,11 +15,11 @@
     "port_name_format": "Port{port1}",
     "symbol": "fortinet.svg",
     "qemu": {
-        "adapter_type": "virtio-net-pci",
+        "adapter_type": "e1000",
         "adapters": 3,
         "ram": 1024,
-        "hda_disk_interface": "ide",
-        "hdb_disk_interface": "ide",
+        "hda_disk_interface": "virtio",
+        "hdb_disk_interface": "virtio",
         "arch": "x86_64",
         "console_type": "telnet",
         "boot_priority": "c",
diff --git a/appliances/fortigate.gns3a b/appliances/fortigate.gns3a
index f9c5e65..db55289 100644
--- a/appliances/fortigate.gns3a
+++ b/appliances/fortigate.gns3a
@@ -15,7 +15,7 @@
     "port_name_format": "Port{port1}",
     "symbol": "fortinet.svg",
     "qemu": {
-        "adapter_type": "virtio-net-pci",
+        "adapter_type": "e1000",
         "adapters": 10,
         "ram": 1024,
         "hda_disk_interface": "virtio",