diff --git a/scripts-available/CDB_AnalysisCatalog.sql b/scripts-available/CDB_AnalysisCatalog.sql
index c9c7faa..ac2d2be 100644
--- a/scripts-available/CDB_AnalysisCatalog.sql
+++ b/scripts-available/CDB_AnalysisCatalog.sql
@@ -66,7 +66,7 @@ $$;
 DO $$
     BEGIN
         BEGIN
-            ALTER TABLE cartodb.cdb_analysis_catalog ADD COLUMN cache_table text;
+            ALTER TABLE cartodb.cdb_analysis_catalog ADD COLUMN cache_tables regclass[] NOT NULL DEFAULT '{}';
         EXCEPTION
             WHEN duplicate_column THEN END;
     END;