--- uvloop/includes/stdlib.pxi.orig	2018-06-01 15:31:16.000000000 -0600
+++ uvloop/includes/stdlib.pxi	2018-06-21 21:52:26.985249504 -0600
@@ -125,7 +125,7 @@ cdef int ssl_SSL_ERROR_WANT_READ = ssl.S
 cdef int ssl_SSL_ERROR_WANT_WRITE = ssl.SSL_ERROR_WANT_WRITE
 cdef int ssl_SSL_ERROR_SYSCALL = ssl.SSL_ERROR_SYSCALL
 
-cdef long MAIN_THREAD_ID = <long>threading.main_thread().ident
+cdef long long MAIN_THREAD_ID = <long long>threading.main_thread().ident
 
 cdef int subprocess_PIPE = subprocess.PIPE
 cdef int subprocess_STDOUT = subprocess.STDOUT