diff --git a/gst/colorspace/colorspace.vcproj b/gst/colorspace/colorspace.vcproj
index 9ad22d1103..c8d5378683 100644
--- a/gst/colorspace/colorspace.vcproj
+++ b/gst/colorspace/colorspace.vcproj
@@ -20,7 +20,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;"../../gst-libs";../../../popt/include;../../../libxml2/include/libxml2"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;colorspace_EXPORTS;HAVE_CONFIG_H"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;colorspace_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
 				MinimalRebuild="TRUE"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -74,7 +74,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;&quot;../../gst-libs&quot;;../../../popt/include;../../../libxml2/include/libxml2"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;colorspace_EXPORTS;HAVE_CONFIG_H"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;colorspace_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -87,7 +87,7 @@
 				AdditionalDependencies="glib-2.0.lib gmodule-2.0.lib gthread-2.0.lib gobject-2.0.lib GStreamer-0.8.lib gstbytestream.lib iconv.lib intl.lib"
 				OutputFile="$(OutDir)/gstcolorspace.dll"
 				LinkIncremental="1"
-				AdditionalLibraryDirectories="../../../gstreamer/win32/Debug;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
+				AdditionalLibraryDirectories="../../../gstreamer/win32/Release;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
 				ModuleDefinitionFile=""
 				GenerateDebugInformation="TRUE"
 				SubSystem="2"