diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index edac328fa3..644df3e568 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -27,8 +27,8 @@
 
     /* lower 16 bits - CPU features */
 #define AV_CPU_FLAG_MMX          0x0001 ///< standard MMX
-#define AV_CPU_FLAG_3DNOW        0x0004 ///< AMD 3DNOW
 #define AV_CPU_FLAG_MMX2         0x0002 ///< SSE integer functions or AMD MMX ext
+#define AV_CPU_FLAG_3DNOW        0x0004 ///< AMD 3DNOW
 #define AV_CPU_FLAG_SSE          0x0008 ///< SSE functions
 #define AV_CPU_FLAG_SSE2         0x0010 ///< PIV SSE2 functions
 #define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster