diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index ea8c73b..936fd5a 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -96,9 +96,8 @@
         " version                  show version num\n"
         "\n"
         "networking:\n"
-        " connect HOST[:PORT]      connect to a device via TCP/IP [default port=5555]\n"
-        " disconnect [HOST[:PORT]]\n"
-        "     disconnect from given TCP/IP device [default port=5555], or all\n"
+        " connect HOST[:PORT]      connect to a device via TCP/IP\n"
+        " disconnect [[HOST]:PORT] disconnect from given TCP/IP device, or all\n"
         " forward --list           list all forward socket connections\n"
         " forward [--no-rebind] LOCAL REMOTE\n"
         "     forward socket connection using:\n"
@@ -1615,13 +1614,13 @@
         return adb_query_command(query);
     }
     else if (!strcmp(argv[0], "connect")) {
-        if (argc != 2) error_exit("usage: adb connect <host>[:<port>]");
+        if (argc != 2) error_exit("usage: adb connect HOST[:PORT>]");
 
         std::string query = android::base::StringPrintf("host:connect:%s", argv[1]);
         return adb_query_command(query);
     }
     else if (!strcmp(argv[0], "disconnect")) {
-        if (argc > 2) error_exit("usage: adb disconnect [<host>[:<port>]]");
+        if (argc > 2) error_exit("usage: adb disconnect [HOST[:PORT]]");
 
         std::string query = android::base::StringPrintf("host:disconnect:%s",
                                                         (argc == 2) ? argv[1] : "");
diff --git a/adb/socket_spec.cpp b/adb/socket_spec.cpp
index 1333724..98468b5 100644
--- a/adb/socket_spec.cpp
+++ b/adb/socket_spec.cpp
@@ -93,7 +93,7 @@
         }
     } else {
         std::string addr(spec.substr(4));
-        port_value = -1;
+        port_value = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
 
         // FIXME: ParseNetAddress rejects port 0. This currently doesn't hurt, because listening
         //        on an address that isn't 'localhost' is unsupported.
diff --git a/adb/socket_spec_test.cpp b/adb/socket_spec_test.cpp
index f5ec0f1..3a2f60c 100644
--- a/adb/socket_spec_test.cpp
+++ b/adb/socket_spec_test.cpp
@@ -20,38 +20,71 @@
 
 #include <gtest/gtest.h>
 
-TEST(socket_spec, parse_tcp_socket_spec) {
+TEST(socket_spec, parse_tcp_socket_spec_just_port) {
     std::string hostname, error, serial;
     int port;
     EXPECT_TRUE(parse_tcp_socket_spec("tcp:5037", &hostname, &port, &serial, &error));
     EXPECT_EQ("", hostname);
     EXPECT_EQ(5037, port);
     EXPECT_EQ("", serial);
+}
 
-    // Bad ports:
+TEST(socket_spec, parse_tcp_socket_spec_bad_ports) {
+    std::string hostname, error, serial;
+    int port;
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:-1", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:65536", &hostname, &port, &serial, &error));
+}
 
+TEST(socket_spec, parse_tcp_socket_spec_host_and_port) {
+    std::string hostname, error, serial;
+    int port;
     EXPECT_TRUE(parse_tcp_socket_spec("tcp:localhost:1234", &hostname, &port, &serial, &error));
     EXPECT_EQ("localhost", hostname);
     EXPECT_EQ(1234, port);
     EXPECT_EQ("localhost:1234", serial);
+}
 
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost", &hostname, &port, &serial, &error));
+TEST(socket_spec, parse_tcp_socket_spec_host_no_port) {
+    std::string hostname, error, serial;
+    int port;
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:localhost", &hostname, &port, &serial, &error));
+    EXPECT_EQ("localhost", hostname);
+    EXPECT_EQ(5555, port);
+    EXPECT_EQ("localhost:5555", serial);
+}
+
+TEST(socket_spec, parse_tcp_socket_spec_host_bad_ports) {
+    std::string hostname, error, serial;
+    int port;
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:-1", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:65536", &hostname, &port, &serial, &error));
+}
 
-    // IPv6:
+TEST(socket_spec, parse_tcp_socket_spec_ipv6_and_port) {
+    std::string hostname, error, serial;
+    int port;
     EXPECT_TRUE(parse_tcp_socket_spec("tcp:[::1]:1234", &hostname, &port, &serial, &error));
     EXPECT_EQ("::1", hostname);
     EXPECT_EQ(1234, port);
     EXPECT_EQ("[::1]:1234", serial);
+}
 
+TEST(socket_spec, parse_tcp_socket_spec_ipv6_no_port) {
+    std::string hostname, error, serial;
+    int port;
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:::1", &hostname, &port, &serial, &error));
+    EXPECT_EQ("::1", hostname);
+    EXPECT_EQ(5555, port);
+    EXPECT_EQ("[::1]:5555", serial);
+}
+
+TEST(socket_spec, parse_tcp_socket_spec_ipv6_bad_ports) {
+    std::string hostname, error, serial;
+    int port;
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:", &hostname, &port, &serial, &error));
     EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:-1", &hostname, &port, &serial, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1", &hostname, &port, &serial, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1:1234", &hostname, &port, &serial, &error));
 }