diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/Migration45_46.java b/bramble-core/src/main/java/org/briarproject/bramble/db/Migration45_46.java
index a6c31dba5..4cbbc05b0 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/Migration45_46.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/Migration45_46.java
@@ -31,8 +31,7 @@ class Migration45_46 implements Migration<Connection> {
 		try {
 			s = txn.createStatement();
 			s.execute("ALTER TABLE messages"
-					+ " ADD COLUMN temporary BOOLEAN NOT NULL"
-					+ " DEFAULT (FALSE)");
+					+ " ADD COLUMN temporary BOOLEAN DEFAULT FALSE NOT NULL");
 		} catch (SQLException e) {
 			tryToClose(s, LOG, WARNING);
 			throw new DbException(e);