diff --git a/plot_single_transmission_EM9190.py b/plot_single_transmission_EM9190.py
index bc6b959..4517fb3 100755
--- a/plot_single_transmission_EM9190.py
+++ b/plot_single_transmission_EM9190.py
@@ -130,6 +130,7 @@ if __name__ == "__main__":
         ax02 = ax00.twinx()
 
         # Plot vertical lines
+        transmission_df["Cell_ID"] = transmission_df["Cell_ID"].apply(lambda x: int(x.split(" ")[-1].replace("(", "").replace(")", "")))
         lte_handovers = transmission_df["Cell_ID"].diff().dropna()
         for index, value in lte_handovers.items():
             if value > 0: