diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
index 715cb71b4..50fe31f8f 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
@@ -193,8 +193,10 @@ else if (revLimiter.size() > 1)
 			final long end = System.currentTimeMillis();
 			System.err.print(n);
 			System.err.print(' ');
-			System.err.println(MessageFormat.format(
-					CLIText.get().timeInMilliSeconds, end - start));
+			System.err
+					.println(MessageFormat.format(
+							CLIText.get().timeInMilliSeconds,
+							Long.valueOf(end - start)));
 		}
 	}