diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 8228dcbb9bd..075a3851dbd 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -7043,10 +7043,10 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
     }
     switch (method-1) {
     case 0:
-      method_conv= MI_STATS_METHOD_NULLS_EQUAL;
+      method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL;
       break;
     case 1:
-      method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL;
+      method_conv= MI_STATS_METHOD_NULLS_EQUAL;
       break;
     case 2:
       method_conv= MI_STATS_METHOD_IGNORE_NULLS;