diff --git a/CMakeLists.txt b/CMakeLists.txt
index 891a130db..1464306e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,8 +175,9 @@ endif()
 # find and make available libz
 if(NOT UNIX)
     SET(ZLIB_ROOT depends/zlib/)
+else()
+    set(ZLIB_ROOT /usr/lib/i386-linux-gnu)
 endif()
-set(ZLIB_ROOT /usr/lib/i386-linux-gnu)
 find_package(ZLIB REQUIRED)
 include_directories(depends/protobuf)
 include_directories(depends/lua/include)