1 files changed, 2 insertions, 2 deletions
diff --git a/lib/monitor.rb b/lib/monitor.rb
index d4bfb670b2..e33dbe2257 100644
--- a/lib/monitor.rb
+++ b/lib/monitor.rb
@@ -109,7 +109,7 @@ module MonitorMixin
     #
     def wait_while
       while yield
-	wait
+        wait
       end
     end
 
@@ -118,7 +118,7 @@ module MonitorMixin
     #
     def wait_until
       until yield
-	wait
+        wait
       end
     end