diff --git a/src/clients/admin/admin.ts b/src/clients/admin/admin.ts
index 1bddabd..5384954 100644
--- a/src/clients/admin/admin.ts
+++ b/src/clients/admin/admin.ts
@@ -465,7 +465,7 @@ export class Admin extends Base<AdminOptions> {
     }
 
     this[kPerformDeduplicated](
-      'createTopics',
+      `createTopics-${options.topics.join(',')}`,
       deduplicateCallback => {
         this[kPerformWithRetry](
           'createTopics',
@@ -527,7 +527,7 @@ export class Admin extends Base<AdminOptions> {
 
   #deleteTopics (options: DeleteTopicsOptions, callback: CallbackWithPromise<void>): void {
     this[kPerformDeduplicated](
-      'deleteTopics',
+      `deleteTopics-${options.topics.join(',')}`,
       deduplicateCallback => {
         this[kPerformWithRetry](
           'deleteTopics',