diff --git a/src/mod/languages/mod_spidermonkey_socket/mod_spidermonkey_socket.vcproj b/src/mod/languages/mod_spidermonkey_socket/mod_spidermonkey_socket.vcproj
index 0d3a80a7e0..1a20ac8153 100644
--- a/src/mod/languages/mod_spidermonkey_socket/mod_spidermonkey_socket.vcproj
+++ b/src/mod/languages/mod_spidermonkey_socket/mod_spidermonkey_socket.vcproj
@@ -123,7 +123,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_SPIDERMONKEY_SOCKET_EXPORTS"
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;;&quot;$(InputDir)..\..\..\..\libs\js\src&quot;;&quot;$(InputDir)..\..\..\..\libs\js\nsprpub\pr\include&quot;;&quot;$(InputDir)..\mod_spidermonkey&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS;XP_WIN;_X86_=1;JSFILE;EXPORT_JS_API;HAVE_CURL;CURL_STATICLIB;JS_THREADSAFE;MOD_SPIDERMONKEY_SOCKET_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"