diff --git a/core/src/main/java/org/apache/iceberg/hadoop/HadoopFileIO.java b/core/src/main/java/org/apache/iceberg/hadoop/HadoopFileIO.java
index 02530cf6c9dd..a4ac5e2ff67a 100644
--- a/core/src/main/java/org/apache/iceberg/hadoop/HadoopFileIO.java
+++ b/core/src/main/java/org/apache/iceberg/hadoop/HadoopFileIO.java
@@ -54,7 +54,7 @@ public class HadoopFileIO implements HadoopConfigurable, DelegateFileIO {
   private static final int DEFAULT_DELETE_CORE_MULTIPLE = 4;
   private static volatile ExecutorService executorService;
 
-  private SerializableSupplier<Configuration> hadoopConf;
+  private volatile SerializableSupplier<Configuration> hadoopConf;
   private SerializableMap<String, String> properties = SerializableMap.copyOf(ImmutableMap.of());
 
   /**