diff --git a/rpcs3/cmake_modules/ConfigureCompiler.cmake b/rpcs3/cmake_modules/ConfigureCompiler.cmake
index 3e46563a49..72fc0e7767 100644
--- a/rpcs3/cmake_modules/ConfigureCompiler.cmake
+++ b/rpcs3/cmake_modules/ConfigureCompiler.cmake
@@ -59,7 +59,7 @@ else()
 	endif()
 
 	#TODO Clean the code so these are removed
-	if ((not ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU") OR (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.1))
+	if (NOT (${CMAKE_CXX_COMPILER_ID} MATCHES "GNU") OR (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.1))
 		add_compile_options(-Wno-attributes)
 	endif()