diff --git a/binding.gyp b/binding.gyp
index 058743e..fa77848 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -507,7 +507,7 @@
         'src/core/lib/support/cpu_windows.c',
         'src/core/lib/support/env_linux.c',
         'src/core/lib/support/env_posix.c',
-        'src/core/lib/support/env_win32.c',
+        'src/core/lib/support/env_windows.c',
         'src/core/lib/support/histogram.c',
         'src/core/lib/support/host_port.c',
         'src/core/lib/support/load_file.c',
@@ -515,29 +515,29 @@
         'src/core/lib/support/log_android.c',
         'src/core/lib/support/log_linux.c',
         'src/core/lib/support/log_posix.c',
-        'src/core/lib/support/log_win32.c',
+        'src/core/lib/support/log_windows.c',
         'src/core/lib/support/murmur_hash.c',
         'src/core/lib/support/slice.c',
         'src/core/lib/support/slice_buffer.c',
         'src/core/lib/support/stack_lockfree.c',
         'src/core/lib/support/string.c',
         'src/core/lib/support/string_posix.c',
-        'src/core/lib/support/string_win32.c',
+        'src/core/lib/support/string_windows.c',
         'src/core/lib/support/subprocess_posix.c',
         'src/core/lib/support/subprocess_windows.c',
         'src/core/lib/support/sync.c',
         'src/core/lib/support/sync_posix.c',
-        'src/core/lib/support/sync_win32.c',
+        'src/core/lib/support/sync_windows.c',
         'src/core/lib/support/thd.c',
         'src/core/lib/support/thd_posix.c',
-        'src/core/lib/support/thd_win32.c',
+        'src/core/lib/support/thd_windows.c',
         'src/core/lib/support/time.c',
         'src/core/lib/support/time_posix.c',
         'src/core/lib/support/time_precise.c',
-        'src/core/lib/support/time_win32.c',
+        'src/core/lib/support/time_windows.c',
         'src/core/lib/support/tls_pthread.c',
         'src/core/lib/support/tmpfile_posix.c',
-        'src/core/lib/support/tmpfile_win32.c',
+        'src/core/lib/support/tmpfile_windows.c',
         'src/core/lib/support/wrap_memcpy.c',
       ],
       "conditions": [
@@ -672,7 +672,7 @@
         'src/core/lib/security/credentials.c',
         'src/core/lib/security/credentials_metadata.c',
         'src/core/lib/security/credentials_posix.c',
-        'src/core/lib/security/credentials_win32.c',
+        'src/core/lib/security/credentials_windows.c',
         'src/core/lib/security/google_default_credentials.c',
         'src/core/lib/security/handshake.c',
         'src/core/lib/security/json_token.c',