Index: src/test_multiplex.c
==================================================================
--- src/test_multiplex.c
+++ src/test_multiplex.c
@@ -326,11 +326,10 @@
 #endif
 
   *rc = multiplexSubFilename(pGroup, iChunk);
   if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){
     int flags, bExists;
-    createFlag = (pGroup->flags & SQLITE_OPEN_CREATE)!=0;
     flags = pGroup->flags;
     if( createFlag ){
       flags |= SQLITE_OPEN_CREATE;
     }else if( iChunk==0 ){
       /* Fall through */

Index: test/multiplex.test
==================================================================
--- test/multiplex.test
+++ test/multiplex.test
@@ -154,10 +154,13 @@
 
 sqlite3_multiplex_initialize "" 1
 multiplex_set db main 32768 16
 
 forcedelete test.x
+foreach f [glob -nocomplain {test.x*[0-9][0-9][0-9]}] {
+  forcedelete $f
+}
 do_test multiplex-2.1.2 {
   sqlite3 db test.x
   execsql {
     PRAGMA page_size=1024;
     PRAGMA auto_vacuum=OFF;
@@ -190,15 +193,20 @@
 } {SQLITE_MISUSE}
 do_test multiplex-2.4.2 {
   execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
 } {}
 do_test multiplex-2.4.4 { file size [multiplex_name test.x 0] } {7168}
-do_test multiplex-2.4.99 {
+do_test multiplex-2.4.5 {
+  db close
+  sqlite3 db test.x
+  db eval vacuum
   db close
+  glob test.x*
+} {test.x}
+do_test multiplex-2.4.99 {
   sqlite3_multiplex_shutdown
 } {SQLITE_OK}
-
 
 do_test multiplex-2.5.1 {
   multiplex_delete test.x
   sqlite3_multiplex_initialize "" 1
   sqlite3 db test.x