diff --git a/Crypto.h b/Crypto.h
index dfe0da0e..e633f8bf 100644
--- a/Crypto.h
+++ b/Crypto.h
@@ -70,7 +70,7 @@ namespace crypto
 
 		void operator^=(const ChipherBlock& other) // XOR
 		{
-#if defined(__x86_64__) // for Intel x64 
+#if defined(__x86_64__) || defined(__SSE__) // for Intel x84 or with SSE
 			__asm__
 			(
 				"movups	(%[buf]), %%xmm0 \n"	
diff --git a/Makefile.mingw b/Makefile.mingw
index 591a1256..24f33a11 100644
--- a/Makefile.mingw
+++ b/Makefile.mingw
@@ -8,4 +8,6 @@ LDLIBS = -Wl,-Bstatic -lboost_system$(BOOST_SUFFIX) -Wl,-Bstatic -lboost_date_ti
 
 ifeq ($(USE_AESNI),1)
 	CPU_FLAGS = -maes -DAESNI
+else
+	CPU_FLAGS = -msse
 endif