--- a/tools/build_windows.bat	Wed Feb 20 02:21:58 2013 +0100
+++ b/tools/build_windows.bat	Tue Apr 02 21:00:57 2013 +0200
@@ -39,7 +39,7 @@
 
 echo Running cmake...
 set ERRORLEVEL=
-cmake -G "MinGW Makefiles" -DPNG_LIBRARY="%CD%\misc\winutils\bin\libpng13.dll" . -DCMAKE_BUILD_TYPE=%BUILD_TYPE%
+cmake . -G "MinGW Makefiles" -DCMAKE_PREFIX_PATH="%CD%\misc\winutils\" -DPNG_LIBRARY="%CD%\misc\winutils\bin\libpng13.dll" -DCMAKE_BUILD_TYPE="%BUILD_TYPE%"
 
 if %ERRORLEVEL% NEQ 0 goto exitpoint