diff --git a/bin/tests/sock_test.c b/bin/tests/sock_test.c
index 8920c13708..5a865f5684 100644
--- a/bin/tests/sock_test.c
+++ b/bin/tests/sock_test.c
@@ -270,7 +270,7 @@ main(int argc, char *argv[])
 		workers = 2;
 	printf("%d workers\n", workers);
 
-	if (isc_net_haveipv6() == ISC_R_SUCCESS)
+	if (isc_net_probeipv6() == ISC_R_SUCCESS)
 		pf = PF_INET6;
 	else
 		pf = PF_INET;
diff --git a/lib/isc/unix/include/isc/net.h.in b/lib/isc/unix/include/isc/net.h.in
index 111c28ae3d..b17c43e450 100644
--- a/lib/isc/unix/include/isc/net.h.in
+++ b/lib/isc/unix/include/isc/net.h.in
@@ -120,7 +120,7 @@
  ***/
 
 isc_result_t
-isc_net_haveipv4(void);
+isc_net_probeipv4(void);
 /*
  * Check if the system's kernel supports IPv4.
  *
@@ -132,7 +132,7 @@ isc_net_haveipv4(void);
  */
 
 isc_result_t
-isc_net_haveipv6(void);
+isc_net_probeipv6(void);
 /*
  * Check if the system's kernel supports IPv6.
  *
diff --git a/lib/isc/unix/net.c b/lib/isc/unix/net.c
index 9ab9b6946f..677565d81c 100644
--- a/lib/isc/unix/net.c
+++ b/lib/isc/unix/net.c
@@ -70,7 +70,7 @@ initialize(void) {
 }
 
 isc_result_t
-isc_net_haveipv4(void) {
+isc_net_probeipv4(void) {
 
 	/*
 	 * Check if the system's kernel supports IPv4.
@@ -81,7 +81,7 @@ isc_net_haveipv4(void) {
 }
 
 isc_result_t
-isc_net_haveipv6(void) {
+isc_net_probeipv6(void) {
 
 	/*
 	 * Check if the system's kernel supports IPv6.