diff --git a/ext/wasm/api/sqlite3-vfs-opfs-sahpool.js b/ext/wasm/api/sqlite3-vfs-opfs-sahpool.js
index 1f026c7cc6..fc088c419d 100644
--- a/ext/wasm/api/sqlite3-vfs-opfs-sahpool.js
+++ b/ext/wasm/api/sqlite3-vfs-opfs-sahpool.js
@@ -999,18 +999,18 @@ globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
         //log("vfs list:",capi.sqlite3_js_vfs_list());
         if(sqlite3.oo1){
           const oo1 = sqlite3.oo1;
-          const OpfsthePoolDb = function(...args){
+          const OpfsSAHPoolDb = function(...args){
             const opt = oo1.DB.dbCtorHelper.normalizeArgs(...args);
             opt.vfs = opfsVfs.$zName;
             oo1.DB.dbCtorHelper.call(this, opt);
           };
-          OpfsthePoolDb.prototype = Object.create(oo1.DB.prototype);
-          OpfsthePoolDb.PoolUtil = poolUtil;
-          if(!oo1.OpfsthePoolDb){
-            oo1.OpfsthePoolDb = Object.create(null);
-            oo1.OpfsthePoolDb.default = OpfsthePoolDb;
+          OpfsSAHPoolDb.prototype = Object.create(oo1.DB.prototype);
+          OpfsSAHPoolDb.PoolUtil = poolUtil;
+          if(!oo1.OpfsSAHPool){
+            oo1.OpfsSAHPool = Object.create(null);
+            oo1.OpfsSAHPool.default = OpfsSAHPoolDb;
           }
-          oo1.OpfsthePoolDb[vfsName] = OpfsthePoolDb;
+          oo1.OpfsSAHPool[vfsName] = OpfsSAHPoolDb;
           oo1.DB.dbCtorHelper.setVfsPostOpenSql(
             opfsVfs.pointer,
             function(oo1Db, sqlite3){
diff --git a/ext/wasm/tester1.c-pp.js b/ext/wasm/tester1.c-pp.js
index ed0e5c3c7b..e63d8440c6 100644
--- a/ext/wasm/tester1.c-pp.js
+++ b/ext/wasm/tester1.c-pp.js
@@ -2779,10 +2779,25 @@ globalThis.sqlite3InitModule = sqlite3InitModule;
         T.assert(u1 === u2)
           .assert(sahPoolConfig.name === u1.vfsName)
           .assert(sqlite3.capi.sqlite3_vfs_find(sahPoolConfig.name))
-          .assert(u1.getCapacity() === sahPoolConfig.initialCapacity)
-          .assert(5 === (await u2.addCapacity(2)))
-          .assert(sqlite3.capi.sqlite3_js_vfs_list().indexOf(sahPoolConfig.name) >= 0)
-          .assert(true === await u2.removeVfs())
+          .assert(u1.getCapacity() >= sahPoolConfig.initialCapacity
+                  /* If a test fails before we get to nuke the VFS, we
+                     can have more than the initial capacity on the next
+                     run. */)
+          .assert(u1.getCapacity() + 2 === (await u2.addCapacity(2)))
+          .assert(sqlite3.oo1.OpfsSAHPool.default instanceof Function)
+          .assert(sqlite3.oo1.OpfsSAHPool.default ===
+                  sqlite3.oo1.OpfsSAHPool[sahPoolConfig.name])
+          .assert(sqlite3.capi.sqlite3_js_vfs_list().indexOf(sahPoolConfig.name) >= 0);
+
+        const db = new sqlite3.oo1.OpfsSAHPool.default("foo.db");
+        db.exec([
+          'create table t(a);',
+          'insert into t(a) values(1),(2),(3)'
+        ]);
+        T.assert(3 === db.selectValue('select count(*) from t'));
+        db.close();
+
+        T.assert(true === await u2.removeVfs())
           .assert(false === await u1.removeVfs())
           .assert(!sqlite3.capi.sqlite3_vfs_find(sahPoolConfig.name));
 
diff --git a/manifest b/manifest
index df9ec90511..a4d6dad250 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Further\srefactoring\sof\sopfs-sahpool\sand\sstart\sintegrating\sit\sinto\stester1.c-pp.js.
-D 2023-07-18T18:52:41.004
+C Fix\sa\sshadowed\svar\sin\sopfs-sahpool\sand\sadd\smore\stests.
+D 2023-07-18T19:27:11.899
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -502,7 +502,7 @@ F ext/wasm/api/sqlite3-api-worker1.js 9f32af64df1a031071912eea7a201557fe39b17386
 F ext/wasm/api/sqlite3-license-version-header.js 0c807a421f0187e778dc1078f10d2994b915123c1223fe752b60afdcd1263f89
 F ext/wasm/api/sqlite3-opfs-async-proxy.js 8cf8a897726f14071fae6be6648125162b256dfb4f96555b865dbb7a6b65e379
 F ext/wasm/api/sqlite3-v-helper.js fc9ed95433d943a65905d16b7ed51515ddb6667d2a2c5a711c7ce33b29d3be31
-F ext/wasm/api/sqlite3-vfs-opfs-sahpool.js cd4d26fd8bf6c6b5bcb1666e8447c5388eb10ebfee57684e3658ee995f5a9645
+F ext/wasm/api/sqlite3-vfs-opfs-sahpool.js 4490d1b6a123d6d99fe5896e801de9dc8f81fa292a78e462ff10ebb5e9a10992
 F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 4946af0d6fbd395aa39966562ca85900664605a5f0cc10fff50146dee527812c
 F ext/wasm/api/sqlite3-wasm.c 8867f1d41c112fb4a2cfe22ff224eccaf309fcdea266cee0ec554f85db72ef0f
 F ext/wasm/api/sqlite3-worker1-promiser.c-pp.js bc06df0d599e625bde6a10a394e326dc68da9ff07fa5404354580f81566e591f
@@ -549,7 +549,7 @@ F ext/wasm/test-opfs-vfs.html 1f2d672f3f3fce810dfd48a8d56914aba22e45c6834e262555
 F ext/wasm/test-opfs-vfs.js f09266873e1a34d9bdb6d3981ec8c9e382f31f215c9fd2f9016d2394b8ae9b7b
 F ext/wasm/tester1-worker.html ebc4b820a128963afce328ecf63ab200bd923309eb939f4110510ab449e9814c
 F ext/wasm/tester1.c-pp.html 1c1bc78b858af2019e663b1a31e76657b73dc24bede28ca92fbe917c3a972af2
-F ext/wasm/tester1.c-pp.js 76607c9821e7854c061121b89337ca244f683b3a16c5415d078d361a8ec9e22f
+F ext/wasm/tester1.c-pp.js f26ed573b2b6948891c6f5c25e7018f3a4245b183532cfa386b74869634bd08e
 F ext/wasm/tests/opfs/concurrency/index.html 0802373d57034d51835ff6041cda438c7a982deea6079efd98098d3e42fbcbc1
 F ext/wasm/tests/opfs/concurrency/test.js a98016113eaf71e81ddbf71655aa29b0fed9a8b79a3cdd3620d1658eb1cc9a5d
 F ext/wasm/tests/opfs/concurrency/worker.js 0a8c1a3e6ebb38aabbee24f122693f1fb29d599948915c76906681bb7da1d3d2
@@ -2044,8 +2044,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 95e5fa498f71708caeb3394636c4853530a8b2d54406e503f32750732d6815d5
-R b629bc29f8d41e1b5f3ab58dda955102
+P 91c789234963b660ae900f0738906b28a477993709e286d8125b2f4d6101601c
+R 7463e6a2312d04dbe1f49055415382e0
 U stephan
-Z c2f2230ed00c70ba745095d2d4043967
+Z 6742837371ae9c474a1547585ca5d4c8
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 51e938832b..208135c324 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-91c789234963b660ae900f0738906b28a477993709e286d8125b2f4d6101601c
\ No newline at end of file
+9c8a73aff0f291e0c18072372e0d8961d3a05910489598d0d342227d99871954
\ No newline at end of file