diff --git a/btcutil/certgen.go b/btcutil/certgen.go
index 52e2d9cc..886279e3 100644
--- a/btcutil/certgen.go
+++ b/btcutil/certgen.go
@@ -76,7 +76,7 @@ func NewTLSCertPair(organization string, validUntil time.Time, extraHosts []stri
 		dnsNames = append(dnsNames, host)
 	}
 
-	addrs, err := interfaceAddrs()
+	addrs, err := InterfaceAddrs()
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/btcutil/net.go b/btcutil/net.go
index 491e47b5..f82f3c98 100644
--- a/btcutil/net.go
+++ b/btcutil/net.go
@@ -11,9 +11,9 @@ import (
 	"net"
 )
 
-// interfaceAddrs returns a list of the system's network interface addresses.
+// InterfaceAddrs returns a list of the system's network interface addresses.
 // It is wrapped here so that we can substitute it for other functions when
 // building for systems that do not allow access to net.InterfaceAddrs().
-func interfaceAddrs() ([]net.Addr, error) {
+func InterfaceAddrs() ([]net.Addr, error) {
 	return net.InterfaceAddrs()
 }