diff --git a/CMakeLists.txt b/CMakeLists.txt
index 857912e7..6f7b655c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ else (WIN32)
 		set (PLATFORM_COMPILE_FLAGS "${PLATFORM_COMPILE_FLAGS} -msse4")
 		set (BLAKE2_IMPLEMENTATION "blake2/blake2b.c")
 		if (ENABLE_AVX2)
-			set (PLATFORM_COMPILE_FLAGS "${PLATFORM_COMPILE_FLAGS} -mavx2")
+			set (PLATFORM_COMPILE_FLAGS "${PLATFORM_COMPILE_FLAGS} -mavx2 -mbmi -mbmi2")
 			if (PERMUTE_WITH_GATHER)
 				set (PLATFORM_COMPILE_FLAGS "${PLATFORM_COMPILE_FLAGS} -DPERMUTE_WITH_GATHER")
 			elseif (PERMUTE_WITH_SHUFFLES)