diff --git a/src/budb/budb.rg b/src/budb/budb.rg
index 1ec45f1cac..6e61652ff2 100644
--- a/src/budb/budb.rg
+++ b/src/budb/budb.rg
@@ -224,7 +224,7 @@ typedef struct budb_volumeEntry budb_volumeList<BUDB_MAX_RETURN_LIST>;
 typedef struct budb_dumpEntry budb_dumpList<BUDB_MAX_RETURN_LIST>;
 typedef struct budb_tapeEntry budb_tapeList<BUDB_MAX_RETURN_LIST>;
 typedef afs_int32                  budb_dumpsList<BUDB_MAX_RETURN_LIST>;
-typedef char charListT<>;
+typedef char charListT<4096>;
 
 %#define BUDB_TEXT_COMPLETE	1