diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index f9488a9..da8ba32 100644
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -880,18 +880,23 @@
         # clear text
         with self.client.transfercmd('list') as sock:
             self.assertNotIsInstance(sock, ssl.SSLSocket)
+            self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
         self.assertEqual(self.client.voidresp(), "226 transfer complete")
 
         # secured, after PROT P
         self.client.prot_p()
         with self.client.transfercmd('list') as sock:
             self.assertIsInstance(sock, ssl.SSLSocket)
+            # consume from SSL socket to finalize handshake and avoid
+            # "SSLError [SSL] shutdown while in init"
+            self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
         self.assertEqual(self.client.voidresp(), "226 transfer complete")
 
         # PROT C is issued, the connection must be in cleartext again
         self.client.prot_c()
         with self.client.transfercmd('list') as sock:
             self.assertNotIsInstance(sock, ssl.SSLSocket)
+            self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
         self.assertEqual(self.client.voidresp(), "226 transfer complete")
 
     def test_login(self):
diff --git a/Misc/NEWS.d/next/Tests/2018-08-16-18-48-47.bpo-34391.ouNfxC.rst b/Misc/NEWS.d/next/Tests/2018-08-16-18-48-47.bpo-34391.ouNfxC.rst
new file mode 100644
index 0000000..18702cb
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2018-08-16-18-48-47.bpo-34391.ouNfxC.rst
@@ -0,0 +1 @@
+Fix ftplib test for TLS 1.3 by reading from data socket.