diff --git a/src/nvtt/FastCompressDXT.cpp b/src/nvtt/FastCompressDXT.cpp
index 0bc68ad..f5ae267 100644
--- a/src/nvtt/FastCompressDXT.cpp
+++ b/src/nvtt/FastCompressDXT.cpp
@@ -31,9 +31,12 @@
 #include <emmintrin.h>
 #endif
 
+#if defined(__SSE__)
+#include <xmmintrin.h>
+#endif
+
 #if defined(__MMX__)
 #include <mmintrin.h>
-#include <xmmintrin.h>
 #endif
 
 #undef __VEC__