diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
index 4f53d2267..c3fdacc27 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
@@ -1017,7 +1017,8 @@ public abstract class PackParser {
 				throw new CorruptObjectException(MessageFormat.format(
 						JGitText.get().invalidObject,
 						Constants.typeString(type),
-						id.name(), e.getMessage()), e);
+						readCurs.abbreviate(id, 10).name(),
+						e.getMessage()), e);
 			}
 		}