Index: src/vacuum.c
==================================================================
--- src/vacuum.c
+++ src/vacuum.c
@@ -248,11 +248,13 @@
   rc = sqlite3BtreeBeginTrans(pMain, pOut==0 ? 2 : 0, 0);
   if( rc!=SQLITE_OK ) goto end_of_vacuum;
 
   /* Do not attempt to change the page size for a WAL database */
   if( sqlite3PagerGetJournalMode(sqlite3BtreePager(pMain))
-                                               ==PAGER_JOURNALMODE_WAL ){
+                                               ==PAGER_JOURNALMODE_WAL
+   && pOut==0
+  ){
     db->nextPagesize = 0;
   }
 
   if( sqlite3BtreeSetPageSize(pTemp, sqlite3BtreeGetPageSize(pMain), nRes, 0)
    || (!isMemDb && sqlite3BtreeSetPageSize(pTemp, db->nextPagesize, nRes, 0))

Index: test/vacuum-into.test
==================================================================
--- test/vacuum-into.test
+++ test/vacuum-into.test
@@ -97,7 +97,38 @@
 do_test vacuum-into-510 {
   db2 eval {SELECT name FROM sqlite_master ORDER BY 1}
 } {t1 t1b t2}
 db2 close
 db close
+
+# Change the page-size on a VACUUM INTO even if the original
+# database is in WAL mode.
+#
+forcedelete test.db
+forcedelete test.db2
+do_test vacuum-into-600 {
+  sqlite3 db test.db
+  db eval {
+    PRAGMA page_size=4096;
+    PRAGMA journal_mode=WAL;
+    CREATE TABLE t1(a);
+    INSERT INTO t1 VALUES(19);
+    CREATE INDEX t1a ON t1(a);
+    PRAGMA integrity_check;
+  }
+} {wal ok}
+do_execsql_test vacuum-into-610 {
+  PRAGMA page_size;
+} {4096}
+do_execsql_test vacuum-into-620 {
+  PRAGMA page_size=1024;
+  VACUUM INTO 'test.db2';
+} {}
+do_test vacuum-into-630 {
+  sqlite3 db test.db2
+  db eval {
+    PRAGMA page_size;
+    PRAGMA integrity_check;
+  }
+} {1024 ok}
 
 finish_test