diff --git a/shell/view/pulsingicon.py b/shell/view/pulsingicon.py
index 4b2fcd0d..2bd48773 100644
--- a/shell/view/pulsingicon.py
+++ b/shell/view/pulsingicon.py
@@ -28,7 +28,7 @@ class PulsingIcon(CanvasIcon):
     }
 
     def __init__(self, **kwargs):
-        self._puls_time = 0.0
+        self._pulse_time = 0.0
         self._colors = None
         self._pulse_sid = 0
         self._pos = 0