diff --git a/source/extern/CMakeLists.txt b/source/extern/CMakeLists.txt
index 41cb9b5..a4c193c 100644
--- a/source/extern/CMakeLists.txt
+++ b/source/extern/CMakeLists.txt
@@ -1,7 +1,8 @@
 SET (OPUS_INSTALL_PKG_CONFIG_MODULE OFF)
 SET (OPUS_INSTALL_CMAKE_CONFIG_MODULE OFF)
-SET (OPUS_X86_MAY_HAVE_AVX OFF)
-SET (OPUS_X86_MAY_HAVE_SSE4_1 OFF)
+SET (OPUS_X86_MAY_HAVE_SSE ON)
+SET (OPUS_X86_MAY_HAVE_AVX ON)
+SET (OPUS_X86_MAY_HAVE_SSE4_1 ON)
 SET (OPUS_ENABLE_FLOAT_API ON)
 SET (OPUS_FLOAT_APPROX ON)
 SET (OPUS_STACK_PROTECTOR OFF)