diff --git a/src/index.js b/src/index.js
index 7fac33e..1e01908 100644
--- a/src/index.js
+++ b/src/index.js
@@ -244,7 +244,7 @@ export class BlockstoreDatastoreAdapter extends BaseBlockstore {
 
     // process.nextTick runs on the microtask queue, setImmediate runs on the next
     // event loop iteration so is slower. Use process.nextTick if it is available.
-    const runner = process && process.nextTick ? process.nextTick : setImmediate
+    const runner = globalThis.process && globalThis.process.nextTick ? globalThis.process.nextTick : (globalThis.setImmediate || globalThis.setTimeout)
 
     runner(async () => {
       try {