diff --git a/packages/node_modules/pouchdb-core/src/adapter.js b/packages/node_modules/pouchdb-core/src/adapter.js
index cc08c1fcf0..bf7a9c9ab7 100644
--- a/packages/node_modules/pouchdb-core/src/adapter.js
+++ b/packages/node_modules/pouchdb-core/src/adapter.js
@@ -197,6 +197,7 @@ function attachmentNameError(name) {
 
 class AbstractPouchDB extends EventEmitter {
   _setup() {
+    var pluginPrototype = Object.getPrototypeOf(this);
     this.post = adapterFun('post', function (doc, opts, callback) {
       if (typeof opts === 'function') {
         callback = opts;
@@ -920,6 +921,13 @@ class AbstractPouchDB extends EventEmitter {
         Promise.all(deletedMap).then(destroyDb, callback);
       });
     }).bind(this);
+
+    // Re-add plugin methods that may have been overridden
+    for (var key in pluginPrototype) {
+      if (this[key] !== pluginPrototype[key]) {
+        this[key] = pluginPrototype[key];
+      }
+    }
   }
 
   _compact(opts, callback) {
diff --git a/tests/integration/test.basics.js b/tests/integration/test.basics.js
index 946cb61736..bccf060f51 100644
--- a/tests/integration/test.basics.js
+++ b/tests/integration/test.basics.js
@@ -1205,6 +1205,25 @@ adapters.forEach(function (adapter) {
        });
     }
 
+    it('8594, PouchDB.plugin() can override core methods', function (done) {
+      const pouchBulkDocs = PouchDB.prototype.bulkDocs; // original bulkDocs
+      let called = false;
+      PouchDB.plugin({  // override
+        bulkDocs: function (docs, options, callback) {
+          called = true;
+          return pouchBulkDocs.call(this, docs, options, callback);
+        }
+      });
+      const db = new PouchDB("test");
+      // will error, but we don't care about the error
+      // just checking if called === true so that
+      // bulkDocs indeed got overridden
+      db.bulkDocs().catch(function () {
+        called.should.equal(true);
+        done();
+      });
+    });
+
     if (typeof process !== 'undefined' && !process.browser) {
       it('#5471 PouchDB.plugin() should throw error if passed wrong type or empty object', function () {
         (function () {