diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6a26ca..d53b4aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,10 @@ cmake_minimum_required(VERSION 2.6)
 include_directories(external)
 include_directories(external/TinyThread/source)
 
+if (WIN32)
+include_directories(external/zlib/)
+endif()
+
 add_subdirectory(src)
 add_subdirectory(external/AnyOption)
 add_subdirectory(external/minizip)
diff --git a/external/minizip/CMakeLists.txt b/external/minizip/CMakeLists.txt
index 22150f4..5f4bb07 100644
--- a/external/minizip/CMakeLists.txt
+++ b/external/minizip/CMakeLists.txt
@@ -2,7 +2,9 @@ project(minizip)
 
 cmake_minimum_required(VERSION 2.6)
 
-find_package(ZLIB REQUIRED)
+if (UNIX)
+	find_package(ZLIB REQUIRED)
+endif()
 
 set (SOURCES
  ioapi.c
@@ -28,5 +30,10 @@ add_library(minizip
  ${HEADERS}
 )
 
-target_link_libraries(minizip z)
+if (UNIX)
+	target_link_libraries(minizip z)
+else()
+	target_link_libraries(minizip "${CMAKE_CURRENT_SOURCE_DIR}/../zlib/zlib.lib")
+endif()
+