Index: src/pcache1.c
==================================================================
--- src/pcache1.c
+++ src/pcache1.c
@@ -700,11 +700,14 @@
       pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage;
     }
     pcache1LeaveMutex(pGroup);
     /* Try to initialize the local bulk pagecache line allocation if using
     ** separate caches and if nPage!=0 */
-    if( pcache1.separateCache && sqlite3GlobalConfig.nPage!=0 ){
+    if( pcache1.separateCache
+     && sqlite3GlobalConfig.nPage!=0
+     && sqlite3GlobalConfig.pPage==0
+    ){
       int szBulk;
       char *zBulk;
       sqlite3BeginBenignMalloc();
       if( sqlite3GlobalConfig.nPage>0 ){
         szBulk = pCache->szAlloc * sqlite3GlobalConfig.nPage;