diff --git a/processing/src/main/java/org/apache/druid/segment/DimensionHandlerUtils.java b/processing/src/main/java/org/apache/druid/segment/DimensionHandlerUtils.java
index 65cf2b0282a3..4e0198e84ba2 100644
--- a/processing/src/main/java/org/apache/druid/segment/DimensionHandlerUtils.java
+++ b/processing/src/main/java/org/apache/druid/segment/DimensionHandlerUtils.java
@@ -400,9 +400,9 @@ public static Long convertObjectToLong(@Nullable Object valObj, boolean reportPa
   }
 
   @Nullable
-  public static Long convertObjectToLong(Object value, String fieldName)
+  public static Long convertObjectToLong(@Nullable Object valObj, String fieldName)
   {
-    return convertObjectToLong(value, false, fieldName);
+    return convertObjectToLong(valObj, false, fieldName);
   }
 
   @Nullable