diff --git a/tables.sql b/tables.sql
index 126f019..ad17e7f 100644
--- a/tables.sql
+++ b/tables.sql
@@ -24,7 +24,7 @@ create table ENTRY_DIR_LINK ( entry_id integer, dir_eid integer,
 create table PERSON ( ID integer, TAG varchar(48), FIRSTNAME varchar(48), SURNAME varchar(48),
     constraint PK_PERSON_ID primary key(ID) );
 
-create table REFIMG ( ID integer, FNAME varchar(256), ENCODINGS varchar,
+create table REFIMG ( ID integer, FNAME varchar(256), ENCODINGS bytea,
     constraint PK_REFIMG_ID primary key(ID) );
 
 create table FILE_PERSON_LINK ( FILE_ID integer, PERSON_ID integer,