diff --git a/sql/log_event.cc b/sql/log_event.cc
index 4a6346bf57c579dece60e664d34ce007cbba209c..d99fb9da8f839daa9aa750f3f521d74a10c79b4f 100644
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -7129,8 +7129,8 @@ int Update_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO *rli,
                     row_start, &m_cols, row_end, &m_master_reclength,
                     table->write_set, UPDATE_ROWS_EVENT);
 
-  DBUG_DUMP("record[0]", table->record[0], table->s->reclength);
-  DBUG_DUMP("m_after_image", m_after_image, table->s->reclength);
+  DBUG_DUMP("record[0]", (const char *)table->record[0], table->s->reclength);
+  DBUG_DUMP("m_after_image", (const char *)m_after_image, table->s->reclength);
 
 
   /*
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 3fd0e621422482c7b86aa596f482bfe262c75639..5da8d27a88766b8d4c0e358fe35ce848fa37400e 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -2632,10 +2632,10 @@ int THD::binlog_update_row(TABLE* table, bool is_trans,
   my_size_t const after_size= pack_row(table, cols, after_row, 
                                        after_record);
   
-  DBUG_DUMP("before_record", before_record, table->s->reclength);
-  DBUG_DUMP("after_record", after_record, table->s->reclength);
-  DBUG_DUMP("before_row", before_row, before_size);
-  DBUG_DUMP("after_row", after_row, after_size);
+  DBUG_DUMP("before_record", (const char *)before_record, table->s->reclength);
+  DBUG_DUMP("after_record", (const char *)after_record, table->s->reclength);
+  DBUG_DUMP("before_row", (const char *)before_row, before_size);
+  DBUG_DUMP("after_row", (const char *)after_row, after_size);
 
   Rows_log_event* const ev=
     binlog_prepare_pending_rows_event(table, server_id, cols, colcnt,