diff --git a/cmake/win32-mingw.cmake b/cmake/win32-mingw.cmake
index 3461e562a..8af80bea4 100644
--- a/cmake/win32-mingw.cmake
+++ b/cmake/win32-mingw.cmake
@@ -1,6 +1,7 @@
 # use like this: cmake . -DCMAKE_TOOLCHAIN_FILE=cmake/win32-mingw.cmake
 
 set(mingwroot "C:/MinGW")
+set(gnuwin32root "C:/Program Files/GnuWin32")
 
 # which compilers to use for C and C++
 set(CMAKE_C_COMPILER ${mingwroot}/bin/gcc.exe)
@@ -8,7 +9,10 @@ set(CMAKE_CXX_COMPILER ${mingwroot}/bin/g++.exe)
 set(CMAKE_RC_COMPILER ${mingwroot}/bin/windres.exe)
 
 # here is the target environment located
-set(CMAKE_FIND_ROOT_PATH ${mingwroot})
+set(CMAKE_FIND_ROOT_PATH "${mingwroot}" "${gnuwin32root}")
+# ensure that libraries and headers from MinGW and GnuWin32 can be found
+set(CMAKE_LIBRARY_PATH "${CMAKE_LIBRARY_PATH}" "${mingwroot}/bin" "${gnuwin32root}/bin")
+set(CMAKE_INCLUDE_PATH "${CMAKE_INCLUDE_PATH}" "${mingwroot}/include" "${gnuwin32root}/include")
 
 # adjust the default behaviour of the FIND_XXX() commands:
 # search headers and libraries in the target environment, search