diff --git a/net-utils/src/lib.rs b/net-utils/src/lib.rs
index 196dda94afa624..f229b3adae4cbc 100644
--- a/net-utils/src/lib.rs
+++ b/net-utils/src/lib.rs
@@ -32,7 +32,7 @@ pub struct UdpSocketPair {
 pub type PortRange = (u16, u16);
 
 pub const VALIDATOR_PORT_RANGE: PortRange = (8000, 10_000);
-pub const MINIMUM_VALIDATOR_PORT_RANGE_WIDTH: u16 = 16; // VALIDATOR_PORT_RANGE must be at least this wide
+pub const MINIMUM_VALIDATOR_PORT_RANGE_WIDTH: u16 = 17; // VALIDATOR_PORT_RANGE must be at least this wide
 
 pub(crate) const HEADER_LENGTH: usize = 4;
 pub(crate) const IP_ECHO_SERVER_RESPONSE_LENGTH: usize = HEADER_LENGTH + 23;