diff --git a/plot_single_transmission_EM9190.py b/plot_single_transmission_EM9190.py
index 56ea2b2..f5a669b 100755
--- a/plot_single_transmission_EM9190.py
+++ b/plot_single_transmission_EM9190.py
@@ -30,10 +30,14 @@ tex_fonts = {
 
 def convert_cellid(value):
     if isinstance(value, str):
-        return int(value.split(" ")[-1].replace("(", "").replace(")", ""))
+        try:
+            r = int(value.split(" ")[-1].replace("(", "").replace(")", ""))
+            return r
+        except Exception as e:
+            return -1
     else:
         return int(-1)
-    
+
 
 if __name__ == "__main__":
     parser = ArgumentParser()
@@ -104,7 +108,7 @@ if __name__ == "__main__":
         serial_df.index = pd.to_datetime(serial_df.index)
         serial_df.sort_index()
 
-        print(serial_df["Cell_ID"])
+        #print(serial_df["Cell_ID"])
 
         #serial_df["Cell_ID"] = serial_df["Cell_ID"].apply(
         #    lambda x: int(x.split(" ")[-1].replace("(", "").replace(")", "")))