diff --git a/neutron/agent/linux/dhcp.py b/neutron/agent/linux/dhcp.py
index 23cdebdb5e9..4acbba38361 100644
--- a/neutron/agent/linux/dhcp.py
+++ b/neutron/agent/linux/dhcp.py
@@ -216,7 +216,7 @@ class DhcpLocalProcess(DhcpBase):
     def enable(self):
         """Enables DHCP for this network by spawning a local process."""
         try:
-            common_utils.wait_until_true(self._enable)
+            common_utils.wait_until_true(self._enable, timeout=300)
         except common_utils.WaitTimeout:
             LOG.error("Failed to start DHCP process for network %s",
                       self.network.id)