diff --git a/flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java b/flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java
index e55aff5c9c910273b2cdced94f6cdeaa22707674..17e5d56298b32f17dc6ea25d48adcc975e719c7d 100644
--- a/flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java
+++ b/flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java
@@ -631,7 +631,7 @@ public class BucketingSink<T>
 			}
 
 			// verify that truncate actually works
-			Path testPath = new Path(UUID.randomUUID().toString());
+			Path testPath = new Path(basePath, UUID.randomUUID().toString());
 			try (FSDataOutputStream outputStream = fs.create(testPath)) {
 				outputStream.writeUTF("hello");
 			} catch (IOException e) {