diff --git a/plot_single_transmission_timeline.py b/plot_single_transmission_timeline.py
index 6cbdf1f..b42f083 100755
--- a/plot_single_transmission_timeline.py
+++ b/plot_single_transmission_timeline.py
@@ -131,7 +131,7 @@ if __name__ == "__main__":
 
         p4, = twin3.plot(transmission_df["snd_cwnd"].dropna(), color="lime", linestyle="dashed", label="cwnd")
         p3, = twin2.plot(transmission_df["srtt"].dropna(), color="red", linestyle="dashdot", label="sRTT")
-        p1, = ax.plot(transmission_df["arrival_time"], transmission_df["goodput_rolling"], color="blue", linestyle="solid", label="goodput")
+        p1, = ax.plot(transmission_df["goodput_rolling"], color="blue", linestyle="solid", label="goodput")
         p2, = twin1.plot(transmission_df["downlink_cqi"].dropna(), color="magenta", linestyle="dotted", label="CQI")
 
         ax.set_xlim(transmission_df["index"].min(), transmission_df["index"].max())