diff --git a/scsh/odbc/odbc.c b/scsh/odbc/odbc.c
index 34a2d71..ef3cb7b 100644
--- a/scsh/odbc/odbc.c
+++ b/scsh/odbc/odbc.c
@@ -2063,9 +2063,13 @@ s48_value struct_to_sql_timestamp_record(SQL_TIMESTAMP_STRUCT *ts)
 
 void s48_init_odbc(void)
 {
+  /* bindings for record types */
   S48_GC_PROTECT_GLOBAL(odbc_diag_record_type);
   odbc_diag_record_type = s48_get_imported_binding("odbc-diag");
 
+  S48_GC_PROTECT_GLOBAL(odbc_column_record_type);
+  odbc_column_record_type = s48_get_imported_binding("odbc-column");
+
   /* PART 1 */
   S48_EXPORT_FUNCTION(odbc_alloc_environment_handle);
   S48_EXPORT_FUNCTION(odbc_alloc_connection_handle);
diff --git a/scsh/odbc/odbc.h b/scsh/odbc/odbc.h
index 2f3bc55..81ff10a 100644
--- a/scsh/odbc/odbc.h
+++ b/scsh/odbc/odbc.h
@@ -317,7 +317,7 @@ s48_value struct_to_sql_time_record(SQL_TIME_STRUCT *ts);
 
 /* convert Scheme sql-timestamp record to SQL_TIMESTAMP_STRUCT */ 
 void sql_timestamp_record_to_struct(s48_value sql_timestamp, 
-												SQL_TIMESTAMP_STRUCT *ts);
+				    SQL_TIMESTAMP_STRUCT *ts);
 
 void s48_init_odbc(void);