diff --git a/dlt-connector/src/manager/InterruptiveSleepManager.ts b/dlt-connector/src/manager/InterruptiveSleepManager.ts
index 3fc5a9b88..7827c8fe9 100644
--- a/dlt-connector/src/manager/InterruptiveSleepManager.ts
+++ b/dlt-connector/src/manager/InterruptiveSleepManager.ts
@@ -54,10 +54,10 @@ export class InterruptiveSleepManager {
     if (!this.interruptiveSleep.has(key)) {
       this.interruptiveSleep.set(key, new InterruptiveSleep(this.stepSizeMilliseconds))
     }
-    const cond = this.interruptiveSleep.get(key)
-    if (!cond) {
+    const interruptiveSleep = this.interruptiveSleep.get(key)
+    if (!interruptiveSleep) {
       throw new LogError('map entry not exist after setting it')
     }
-    return cond.sleep(ms)
+    return interruptiveSleep.sleep(ms)
   }
 }