diff --git a/storage/innodb_plugin/dict/dict0dict.c b/storage/innodb_plugin/dict/dict0dict.c
index ca129c29d20..35b856cd79f 100644
--- a/storage/innodb_plugin/dict/dict0dict.c
+++ b/storage/innodb_plugin/dict/dict0dict.c
@@ -140,7 +140,7 @@ static
 void
 dict_field_print_low(
 /*=================*/
-	dict_field_t*	field);	/*!< in: field */
+	const dict_field_t*	field);	/*!< in: field */
 /*********************************************************************//**
 Frees a foreign key struct. */
 static
@@ -4403,7 +4403,7 @@ static
 void
 dict_field_print_low(
 /*=================*/
-	dict_field_t*	field)	/*!< in: field */
+	const dict_field_t*	field)	/*!< in: field */
 {
 	ut_ad(mutex_own(&(dict_sys->mutex)));