diff --git a/tests/socket_test.c b/tests/socket_test.c
index 8f438fc35..ecc47c2b2 100644
--- a/tests/socket_test.c
+++ b/tests/socket_test.c
@@ -447,7 +447,7 @@ static int s_test_socket_with_bind_to_interface(struct aws_allocator *allocator,
 #else
     strncpy(options.network_interface_name, "lo", AWS_NETWORK_INTERFACE_NAME_MAX);
 #endif
-    struct aws_socket_endpoint endpoint = {.address = "127.0.0.1", .port = 8127};
+    struct aws_socket_endpoint endpoint = {.address = "127.0.0.1", .port = 8128};
     if (s_test_socket(allocator, &options, &endpoint)) {
 #if !defined(AWS_OS_APPLE) && !defined(AWS_OS_LINUX)
         if (aws_last_error() == AWS_ERROR_PLATFORM_NOT_SUPPORTED) {
@@ -460,7 +460,7 @@ static int s_test_socket_with_bind_to_interface(struct aws_allocator *allocator,
     options.domain = AWS_SOCKET_IPV4;
     ASSERT_SUCCESS(s_test_socket(allocator, &options, &endpoint));
 
-    struct aws_socket_endpoint endpoint_ipv6 = {.address = "::1", .port = 8128};
+    struct aws_socket_endpoint endpoint_ipv6 = {.address = "::1", .port = 8129};
     options.type = AWS_SOCKET_STREAM;
     options.domain = AWS_SOCKET_IPV6;
     if (s_test_socket(allocator, &options, &endpoint_ipv6)) {