diff --git a/CMakeLists.txt b/CMakeLists.txt
index bea88a1d..adb99ec3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ include(CheckFunctionExists)
 include(PIPMacros.cmake)
 
 set(_ICU_DEFAULT OFF)
-if((NOT DEFINED WIN32) AND (DEFINED ANDROID_PLATFORM) AND (DEFINED APPLE))
+if((NOT DEFINED WIN32) AND (NOT DEFINED ANDROID_PLATFORM) AND (NOT DEFINED APPLE))
 	set(_ICU_DEFAULT ON)
 endif()