diff --git a/hbase-shell/src/main/ruby/hbase/taskmonitor.rb b/hbase-shell/src/main/ruby/hbase/taskmonitor.rb
index 1ee441de323..8509b5dc652 100644
--- a/hbase-shell/src/main/ruby/hbase/taskmonitor.rb
+++ b/hbase-shell/src/main/ruby/hbase/taskmonitor.rb
@@ -152,7 +152,7 @@ module Hbase
                  setCellWidth('Description', descriptionWidth),
                  setCellWidth('Status', statusWidth)]
 
-        line = format('| %s | %s | %s | %s | %s |', cells)
+        line = format('| %s | %s | %s | %s | %s |', *cells)
 
         puts(rowSeparator)
         puts(line)
@@ -165,7 +165,7 @@ module Hbase
                    setCellWidth(t.description, descriptionWidth),
                    setCellWidth(format('%s (since %d seconds ago)', t.status, Time.now - t.statustime), statusWidth)]
 
-          line = format('| %s | %s | %s | %s | %s |', cells)
+          line = format('| %s | %s | %s | %s | %s |', *cells)
 
           puts(rowSeparator)
           puts(line)