diff --git a/cmake/FindWASAPI.cmake b/cmake/FindWASAPI.cmake
index 88bb9a6..2207589 100644
--- a/cmake/FindWASAPI.cmake
+++ b/cmake/FindWASAPI.cmake
@@ -5,11 +5,10 @@
 # WASAPI_FOUND
 # AUDIOCLIENT_H
 
-if (WIN32)
-  include(CheckIncludeFile)
-  check_include_file(audioclient.h AUDIOCLIENT_H)
+if(WIN32)
+    include(CheckIncludeFile)
+    check_include_file(audioclient.h AUDIOCLIENT_H)
 endif()
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(WASAPI DEFAULT_MSG AUDIOCLIENT_H)
-mark_as_advanced(AUDIOCLIENT_H)