diff --git a/gns3server/handlers/__init__.py b/gns3server/handlers/__init__.py
index 8d2587c9..c2247f30 100644
--- a/gns3server/handlers/__init__.py
+++ b/gns3server/handlers/__init__.py
@@ -14,5 +14,16 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from gns3server.handlers.api import *
+import sys
+from gns3server.handlers.api.version_handler import VersionHandler
+from gns3server.handlers.api.network_handler import NetworkHandler
+from gns3server.handlers.api.project_handler import ProjectHandler
+from gns3server.handlers.api.dynamips_device_handler import DynamipsDeviceHandler
+from gns3server.handlers.api.dynamips_vm_handler import DynamipsVMHandler
+from gns3server.handlers.api.qemu_handler import QEMUHandler
+from gns3server.handlers.api.virtualbox_handler import VirtualBoxHandler
+from gns3server.handlers.api.vpcs_handler import VPCSHandler
 from gns3server.handlers.upload_handler import UploadHandler
+
+if sys.platform.startswith("linux"):
+    from gns3server.handlers.api.iou_handler import IOUHandler
diff --git a/gns3server/handlers/api/__init__.py b/gns3server/handlers/api/__init__.py
index 5d558245..e69de29b 100644
--- a/gns3server/handlers/api/__init__.py
+++ b/gns3server/handlers/api/__init__.py
@@ -1,9 +0,0 @@
-__all__ = ["version_handler",
-           "network_handler",
-           "vpcs_handler",
-           "project_handler",
-           "virtualbox_handler",
-           "dynamips_vm_handler",
-           "dynamips_device_handler",
-           "iou_handler",
-           "qemu_handler"]
diff --git a/gns3server/modules/__init__.py b/gns3server/modules/__init__.py
index 0f55e396..6b679996 100644
--- a/gns3server/modules/__init__.py
+++ b/gns3server/modules/__init__.py
@@ -15,10 +15,15 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import sys
 from .vpcs import VPCS
 from .virtualbox import VirtualBox
 from .dynamips import Dynamips
-from .iou import IOU
 from .qemu import Qemu
 
-MODULES = [VPCS, VirtualBox, Dynamips, IOU, Qemu]
+MODULES = [VPCS, VirtualBox, Dynamips, Qemu]
+
+if sys.platform.startswith("linux"):
+    # IOU runs only on Linux
+    from .iou import IOU
+    MODULES.append(IOU)
diff --git a/gns3server/server.py b/gns3server/server.py
index 13b76f3d..406c0b3f 100644
--- a/gns3server/server.py
+++ b/gns3server/server.py
@@ -34,8 +34,8 @@ from .config import Config
 from .modules import MODULES
 from .modules.port_manager import PortManager
 
-# TODO: get rid of * have something generic to automatically import handlers so the routes can be found
-from gns3server.handlers import *
+# do not delete this import
+import gns3server.handlers
 
 import logging
 log = logging.getLogger(__name__)