diff --git a/src/odbc/odbc.c b/src/odbc/odbc.c
index 96336a3..a0ec422 100644
--- a/src/odbc/odbc.c
+++ b/src/odbc/odbc.c
@@ -711,7 +711,15 @@ SQLRETURN SQL_API SQLColAttributes(
 SQLRETURN SQL_API SQLDisconnect(
     SQLHDBC            hdbc)
 {
+	struct _hdbc *dbc;
+	struct _henv *env;
+
 	TRACE("SQLDisconnect");
+
+	dbc = (struct _hdbc *) hdbc;
+	env = (struct _henv *) dbc->henv;
+	mdb_sql_close(env->sql);
+
 	return SQL_SUCCESS;
 }