diff --git a/sql/sql_explain.h b/sql/sql_explain.h
index 417cfc0fffc..f9279a406f7 100644
--- a/sql/sql_explain.h
+++ b/sql/sql_explain.h
@@ -30,7 +30,7 @@ public:
 
   ha_rows get_avg_rows()
   {
-    return r_scans ? round((double) r_rows / r_scans): 0;
+    return r_scans ? (ha_rows)rint((double) r_rows / r_scans): 0;
   }
 };