diff --git a/src/obidmscolumn.c b/src/obidmscolumn.c
index f475c73..c774a72 100644
--- a/src/obidmscolumn.c
+++ b/src/obidmscolumn.c
@@ -566,7 +566,7 @@ OBIDMS_column_p obi_create_column(OBIDMS_p     dms,
 		obidebug(1, "\nCan't create column because of empty column name");
 		return NULL;
 	}
-	if ((data_type < 1) || (data_type > 7))
+	if ((data_type < 1) || (data_type > 8))		// TODO check in more robust way
 	{
 		obidebug(1, "\nCan't create column because of invalid data type");
 		return NULL;