diff --git a/msgpack_vc8.vcproj b/msgpack_vc8.vcproj
index 7fb59d39..abfe5176 100644
--- a/msgpack_vc8.vcproj
+++ b/msgpack_vc8.vcproj
@@ -37,7 +37,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="."
+				AdditionalIncludeDirectories=".;include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="1"