diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 4ff316e5..5edad339 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -29,8 +29,8 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon -flax-vector-conversions")
     else()
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes -msse4.1")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes -msse4.1")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
 
         add_definitions(/DHAVE_ROTR)
     endif()
@@ -87,8 +87,8 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon -march=${CMAKE_SYSTEM_PROCESSOR}")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon -march=${CMAKE_SYSTEM_PROCESSOR}")
     else()
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes -msse4.1")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes -msse4.1")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
 
         check_symbol_exists("_rotr" "x86intrin.h" HAVE_ROTR)
         if (HAVE_ROTR)
diff --git a/cmake/randomx.cmake b/cmake/randomx.cmake
index 0d3f7bab..c86aa171 100644
--- a/cmake/randomx.cmake
+++ b/cmake/randomx.cmake
@@ -64,6 +64,10 @@ if (WITH_RANDOMX)
         set_property(SOURCE src/crypto/randomx/jit_compiler_a64_static.S PROPERTY LANGUAGE C)
     endif()
 
+    if (CMAKE_C_COMPILER_ID MATCHES GNU OR CMAKE_C_COMPILER_ID MATCHES Clang)
+        set_source_files_properties(src/crypto/randomx/blake2/blake2b.c PROPERTIES COMPILE_FLAGS -msse4.1)
+    endif()
+
     if (CMAKE_CXX_COMPILER_ID MATCHES Clang)
         set_source_files_properties(src/crypto/randomx/jit_compiler_x86.cpp PROPERTIES COMPILE_FLAGS -Wno-unused-const-variable)
     endif()