diff --git a/catalogue/common_catalogue_schema.sql b/catalogue/common_catalogue_schema.sql
index a99ccf4dbe9bfffe99ed6bbd2e97fab7329b0d02..1df01b36f39e9f544d73daa2862371e2ce1634c6 100644
--- a/catalogue/common_catalogue_schema.sql
+++ b/catalogue/common_catalogue_schema.sql
@@ -190,7 +190,7 @@ CREATE TABLE ARCHIVE_FILE(
   DISK_FILE_GID           UINT64TYPE      CONSTRAINT ARCHIVE_FILE_DFGID_NN  NOT NULL,
   SIZE_IN_BYTES           UINT64TYPE      CONSTRAINT ARCHIVE_FILE_SIB_NN  NOT NULL,
   CHECKSUM_BLOB           CHECKSUM_BLOB_TYPE,
-  CHECKSUM_ADLER32        UINT64TYPE      CONSTRAINT ARCHIVE_FILE_CB2_NN  NOT NULL,
+  CHECKSUM_ADLER32        UINT32TYPE      CONSTRAINT ARCHIVE_FILE_CB2_NN  NOT NULL,
   STORAGE_CLASS_ID        UINT64TYPE      CONSTRAINT ARCHIVE_FILE_SCI_NN  NOT NULL,
   CREATION_TIME           UINT64TYPE      CONSTRAINT ARCHIVE_FILE_CT2_NN  NOT NULL,
   RECONCILIATION_TIME     UINT64TYPE      CONSTRAINT ARCHIVE_FILE_RT_NN   NOT NULL,