diff --git a/webrtc/tools/py_event_log_analyzer/rtp_analyzer.py b/webrtc/tools/py_event_log_analyzer/rtp_analyzer.py
index b4b3b9bf3e..a4b199e891 100644
--- a/webrtc/tools/py_event_log_analyzer/rtp_analyzer.py
+++ b/webrtc/tools/py_event_log_analyzer/rtp_analyzer.py
@@ -259,7 +259,7 @@ class RTPStatistics(object):
                             self.data_points)
 
     plt.figure(1)
-    plt.plot(time_axis, delay)
+    plt.plot(time_axis, delay[:len(time_axis)])
     plt.xlabel("Send time [s]")
     plt.ylabel("Relative transport delay [ms]")