diff --git a/vp8/encoder/firstpass.c b/vp8/encoder/firstpass.c
index 684ad9b128b74a2e1c57da5e536dc4a65a27eaf4..0a6e8c50eb0e7f84a033ab882d8b15cfeef32c71 100644
--- a/vp8/encoder/firstpass.c
+++ b/vp8/encoder/firstpass.c
@@ -30,7 +30,7 @@
 #include "encodemv.h"
 
 //#define OUTPUT_FPF 1
-//#define FIRSTPASS_MM 1
+#define FIRSTPASS_MM 1
 
 #if CONFIG_RUNTIME_CPU_DETECT
 #define IF_RTCD(x) (x)