diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f1079da..a7639a6b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,7 +151,7 @@ else ()
 		include_directories(${COCOA})
 	endif()
 
-	if(UNIX)
+	if(UNIX AND NOT APPLE)
 		find_package(X11 REQUIRED)
 		link_libraries(${X11_LIBRARIES})
 		include_directories(${X11_INCLUDE_DIR})