diff --git a/av1/common/entropymode.c b/av1/common/entropymode.c
index 6da336b..56ee030 100644
--- a/av1/common/entropymode.c
+++ b/av1/common/entropymode.c
@@ -1161,7 +1161,7 @@
   assert(mode_deltas != NULL);
 
   mode_deltas[0] = 0;
-  mode_deltas[0] = 0;
+  mode_deltas[1] = 0;
 }
 
 static void set_default_lf_deltas(struct loopfilter *lf) {