diff --git a/sys/winnt/Makefile.msc b/sys/winnt/Makefile.msc
index 74f5fe812..38502bfd4 100644
--- a/sys/winnt/Makefile.msc
+++ b/sys/winnt/Makefile.msc
@@ -372,7 +372,7 @@ rc=Rc
 # Visual Studio we are using.  We set VSVER to 0000 to flag any version that 
 # is too old or untested.
 #
-#NMAKE version 1414264330 is distributed with VS 15.7.5
+#NMAKE version 1421277022 is distributed with latest VS 2019
 
 #!MESSAGE $(MAKEFLAGS)
 #!MESSAGE $(MAKEDIR)
@@ -396,9 +396,9 @@ VSVER=2013
 VSVER=2015
 !ELSEIF ($(MAKEVERSION) > 1411000000) && ($(MAKEVERSION) < 1416270312)
 VSVER=2017
-!ELSEIF ($(MAKEVERSION) > 1416270311) && ($(MAKEVERSION) < 1420275082)
+!ELSEIF ($(MAKEVERSION) > 1416270311) && ($(MAKEVERSION) < 1421277023)
 VSVER=$(VSNEWEST)
-!ELSEIF ($(MAKEVERSION) > 1420275081)
+!ELSEIF ($(MAKEVERSION) > 1421277022)
 VSVER=2999              #untested future version
 !ENDIF