diff --git a/orc/src/main/java/org/apache/iceberg/orc/ORCSchemaUtil.java b/orc/src/main/java/org/apache/iceberg/orc/ORCSchemaUtil.java
index ccafc8853..d3caf07a5 100644
--- a/orc/src/main/java/org/apache/iceberg/orc/ORCSchemaUtil.java
+++ b/orc/src/main/java/org/apache/iceberg/orc/ORCSchemaUtil.java
@@ -291,8 +291,8 @@ private static TypeDescription buildOrcProjection(Integer fieldId, Type type, bo
               orcType = promotedType.get();
             } else {
               Preconditions.checkArgument(isSameType(originalType, type),
-                  "Can not promote %s type to %s",
-                  originalType.getCategory(), type.typeId().name());
+                  "Can not promote %s type to %s for field %s",
+                  originalType.getCategory(), type.typeId().name(), orcType.name());
               orcType = originalType.clone();
             }
           }