diff --git a/indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisor.java b/indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisor.java
index 81d8871b8e8e..d7294abc9d58 100644
--- a/indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisor.java
+++ b/indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisor.java
@@ -2733,6 +2733,10 @@ private boolean updatePartitionDataFromStream()
 
     log.debug("Found [%d] partitions for stream [%s]", partitionIdsFromSupplier.size(), ioConfig.getStream());
 
+    final int configuredTaskCount = spec.getIoConfig().getTaskCount();
+    if (configuredTaskCount > partitionIdsFromSupplier.size()) {
+      log.warn("Configured task count[%s] for supervisor[%s] is greater than the number of partitions[%d].", configuredTaskCount, supervisorId, partitionIdsFromSupplier.size());
+    }
     Map<PartitionIdType, SequenceOffsetType> storedMetadata = getOffsetsFromMetadataStorage();
     Set<PartitionIdType> storedPartitions = storedMetadata.keySet();
     Set<PartitionIdType> closedPartitions = storedMetadata