diff --git a/lib/index.js b/lib/index.js
index 6942b7b..72d5454 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -47,7 +47,9 @@ function unloadplugin(pluginname, pluginpath) {
     const plugin = require.resolve(pluginpath)
     try {
         if (plugin && require.cache[plugin]) {
-            require.cache[plugin].exports.unload()
+            // `unload()` isn't exported sometimes,
+            // when plugin isn't properly loaded
+            require.cache[plugin].exports?.unload?.()
             delete plugins[pluginname]
             delete require.cache[plugin]
         }