diff --git a/hgext/fsmonitor/pywatchman/msc_stdint.h b/hgext/fsmonitor/pywatchman/msc_stdint.h
--- a/hgext/fsmonitor/pywatchman/msc_stdint.h
+++ b/hgext/fsmonitor/pywatchman/msc_stdint.h
@@ -1,3 +1,4 @@
+// no-check-code
 // ISO C9x  compliant stdint.h for Microsoft Visual Studio
 // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 
 // 
diff --git a/tests/test-check-code.t b/tests/test-check-code.t
--- a/tests/test-check-code.t
+++ b/tests/test-check-code.t
@@ -11,6 +11,7 @@ New errors are not allowed. Warnings are
   Skipping hgext/fsmonitor/pywatchman/__init__.py it has no-che?k-code (glob)
   Skipping hgext/fsmonitor/pywatchman/bser.c it has no-che?k-code (glob)
   Skipping hgext/fsmonitor/pywatchman/capabilities.py it has no-che?k-code (glob)
+  Skipping hgext/fsmonitor/pywatchman/msc_stdint.h it has no-che?k-code (glob)
   Skipping hgext/fsmonitor/pywatchman/pybser.py it has no-che?k-code (glob)
   Skipping i18n/polib.py it has no-che?k-code (glob)
   Skipping mercurial/httpclient/__init__.py it has no-che?k-code (glob)