diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab238e7..2ef1e78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -426,6 +426,12 @@ if(target MATCHES "x64")
       HAVE_AVX512FINTRIN_H # AVX512
   )
 
+  target_compile_options(
+    sodium
+    PRIVATE
+      -mavx
+  )
+
   if(NOT target MATCHES "win32")
     target_compile_definitions(
       sodium