diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 9a33a1f..37fbf20 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -112,7 +112,7 @@ jobs:
           export MSYSTEM=MINGW32
           echo "Compiling 32-bit OpenSSL..."
           cd openssl-3.1.2
-          /usr/bin/perl Configure mingw --prefix=$(cygpath -u "$GITHUB_WORKSPACE")/OpenSSL-TDM-32 --openssldir=$(cygpath -u "$GITHUB_WORKSPACE")/OpenSSL-TDM-32 no-tests no-sse2 no-asm no-threads -DOPENSSL_DEV_NO_ATOMICS -mno-mmx -mno-sse -mno-sse2 -march=i386 -mtune=generic
+          /usr/bin/perl Configure mingw --prefix=$(cygpath -u "$GITHUB_WORKSPACE")/OpenSSL-TDM-32 --openssldir=$(cygpath -u "$GITHUB_WORKSPACE")/OpenSSL-TDM-32 no-tests no-sse2 no-asm no-threads -DOPENSSL_DEV_NO_ATOMICS -mno-mmx -mno-sse -mno-sse2 -march=i686 -mtune=generic
           mingw32-make -j
           mingw32-make install_sw
           cd ..
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64223ca..1472331 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,8 +36,8 @@ if (WIN32 AND NOT MSVC)
     # Match resource architecture with target architecture
     if(CMAKE_SIZEOF_VOID_P EQUAL 4)
         set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -F pe-i386 --target=pe-i386")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i486 -mtune=generic -mno-sse -mno-sse2 -mno-mmx -mno-3dnow")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i486 -mtune=generic -mno-sse -mno-sse2 -mno-mmx -mno-3dnow -DATOMIC_FORCE_NO_ATOMICS")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686 -mtune=generic -mno-sse -mno-sse2 -mno-mmx -mno-3dnow")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i686 -mtune=generic -mno-sse -mno-sse2 -mno-mmx -mno-3dnow -DATOMIC_FORCE_NO_ATOMICS")
     else()
         set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -F pe-x86-64 --target=pe-x86-64")
     endif()