diff --git a/zone/CMakeLists.txt b/zone/CMakeLists.txt
index b332a7596..b98a10ca2 100644
--- a/zone/CMakeLists.txt
+++ b/zone/CMakeLists.txt
@@ -275,7 +275,9 @@ set(lua_sources
 )
 
 add_library(lua_zone STATIC ${lua_sources})
-set_target_properties(lua_zone PROPERTIES UNITY_BUILD ON UNITY_BUILD_BATCH_SIZE 8)
+#if (NOT WIN32)
+set_target_properties(lua_zone PROPERTIES UNITY_BUILD ON UNITY_BUILD_BATCH_SIZE 16)
+#else()
 
 # perl unity build
 set(perl_sources
@@ -306,7 +308,9 @@ set(perl_sources
 )
 
 add_library(perl_zone STATIC ${perl_sources})
-set_target_properties(perl_zone PROPERTIES UNITY_BUILD ON UNITY_BUILD_BATCH_SIZE 8)
+#if (NOT WIN32)
+set_target_properties(perl_zone PROPERTIES UNITY_BUILD ON UNITY_BUILD_BATCH_SIZE 16)
+#endif()
 
 # gm commands
 set(gm_command_sources
@@ -472,7 +476,9 @@ set(gm_command_sources
 )
 
 add_library(gm_commands_zone STATIC ${gm_command_sources})
+#if (NOT WIN32)
 set_target_properties(gm_commands_zone PROPERTIES UNITY_BUILD ON UNITY_BUILD_BATCH_SIZE 64)
+#endif()
 
 # zone combine sources and headers
 ADD_EXECUTABLE(zone ${zone_sources} ${zone_headers})