diff --git a/Clang.cmake b/Clang.cmake
index a43f94f..d4344cf 100644
--- a/Clang.cmake
+++ b/Clang.cmake
@@ -39,6 +39,7 @@ function(clang_format)
 			RESULT_VARIABLE _VERSION_RESULT
 			OUTPUT_VARIABLE _VERSION_OUTPUT
 			OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE ERROR_QUIET
+			OUTPUT_QUIET ERROR_QUIET
 		)
 		if(NOT _VERSION_RESULT EQUAL 0)
 			message(WARNING "Clang: Could not discover version, disabling clang-format...")