diff -r 779760004b6b -r 26340fca374c projects/openttd_vs80.vcproj
--- a/projects/openttd_vs80.vcproj	Fri Mar 28 19:37:12 2008 +0000
+++ b/projects/openttd_vs80.vcproj	Fri Mar 28 21:28:32 2008 +0000
@@ -61,7 +61,7 @@
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
 				AdditionalIncludeDirectories="..\objs\langs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_EXCEPTION_TRACKER;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\""
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_EXCEPTION_TRACKER;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
 				RuntimeLibrary="0"
@@ -272,7 +272,7 @@
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
 				AdditionalIncludeDirectories="..\objs\langs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_EXCEPTION_TRACKER;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\""
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_EXCEPTION_TRACKER;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
 				RuntimeLibrary="0"