diff --git a/mswin32/nmap.vcproj b/mswin32/nmap.vcproj
index b162ba511..781391176 100644
--- a/mswin32/nmap.vcproj
+++ b/mswin32/nmap.vcproj
@@ -47,7 +47,7 @@
 				Optimization="0"
 				AdditionalIncludeDirectories="..\liblua;.;..;../nbase;../libpcre;winip;..\nsock\include;"pcap-include";"..\libdnet-stripped\include";OpenSSL\include;"
 				PreprocessorDefinitions="WIN32;_CONSOLE"
-				GeneratePreprocessedFile="1"
+				GeneratePreprocessedFile="0"
 				KeepComments="false"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"